Home / 270,171.65-405,302.02-112,411.19

Finding the Fourth Proportional to 270,171.65, 405,302.02 and 112,411.19

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Solution

The fourth proportional to 270,171.65, 405,302.02 and 112,411.19 is: 168,635.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,171.65 : 405,302.02 = 112,411.19 : x
  2. Step 2: Convert to fraction form
    270,171.65/405,302.02 = 112,411.19/x
  3. Step 3: Cross multiply
    270,171.65x = 405,302.02 × 112,411.19
  4. Step 4: Simplify right side
    270,171.65x = 45,560,483,109.83
  5. Step 5: Solve for x
    x = 45,560,483,109.83/270,171.65
  6. Step 6: Final answer
    x = 168,635.32

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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.