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Finding the Fourth Proportional to 581,644.80, 872,465.58 and 182,287.26

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Solution

The fourth proportional to 581,644.80, 872,465.58 and 182,287.26 is: 273,430.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,644.80 : 872,465.58 = 182,287.26 : x
  2. Step 2: Convert to fraction form
    581,644.80/872,465.58 = 182,287.26/x
  3. Step 3: Cross multiply
    581,644.80x = 872,465.58 × 182,287.26
  4. Step 4: Simplify right side
    581,644.80x = 159,039,360,022.51
  5. Step 5: Solve for x
    x = 159,039,360,022.51/581,644.80
  6. Step 6: Final answer
    x = 273,430.38

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.