Home / 387,397.08-581,073.06-174,110.04

Finding the Fourth Proportional to 387,397.08, 581,073.06 and 174,110.04

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Solution

The fourth proportional to 387,397.08, 581,073.06 and 174,110.04 is: 261,154.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,397.08 : 581,073.06 = 174,110.04 : x
  2. Step 2: Convert to fraction form
    387,397.08/581,073.06 = 174,110.04/x
  3. Step 3: Cross multiply
    387,397.08x = 581,073.06 × 174,110.04
  4. Step 4: Simplify right side
    387,397.08x = 101,170,653,719.52
  5. Step 5: Solve for x
    x = 101,170,653,719.52/387,397.08
  6. Step 6: Final answer
    x = 261,154.92

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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.