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Finding the Fourth Proportional to 416,252.48, 574,426.40 and 225,265.60

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Solution

The fourth proportional to 416,252.48, 574,426.40 and 225,265.60 is: 310,865.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,252.48 : 574,426.40 = 225,265.60 : x
  2. Step 2: Convert to fraction form
    416,252.48/574,426.40 = 225,265.60/x
  3. Step 3: Cross multiply
    416,252.48x = 574,426.40 × 225,265.60
  4. Step 4: Simplify right side
    416,252.48x = 129,398,507,651.84
  5. Step 5: Solve for x
    x = 129,398,507,651.84/416,252.48
  6. Step 6: Final answer
    x = 310,865.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.