Home / 387,932.48-581,608.80-267,646.19

Finding the Fourth Proportional to 387,932.48, 581,608.80 and 267,646.19

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Solution

The fourth proportional to 387,932.48, 581,608.80 and 267,646.19 is: 401,269.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,932.48 : 581,608.80 = 267,646.19 : x
  2. Step 2: Convert to fraction form
    387,932.48/581,608.80 = 267,646.19/x
  3. Step 3: Cross multiply
    387,932.48x = 581,608.80 × 267,646.19
  4. Step 4: Simplify right side
    387,932.48x = 155,665,376,482.43
  5. Step 5: Solve for x
    x = 155,665,376,482.43/387,932.48
  6. Step 6: Final answer
    x = 401,269.26

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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.