Home / 387,992.28-581,981.68-174,609.19

Finding the Fourth Proportional to 387,992.28, 581,981.68 and 174,609.19

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Solution

The fourth proportional to 387,992.28, 581,981.68 and 174,609.19 is: 261,910.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,992.28 : 581,981.68 = 174,609.19 : x
  2. Step 2: Convert to fraction form
    387,992.28/581,981.68 = 174,609.19/x
  3. Step 3: Cross multiply
    387,992.28x = 581,981.68 × 174,609.19
  4. Step 4: Simplify right side
    387,992.28x = 101,619,346,429.55
  5. Step 5: Solve for x
    x = 101,619,346,429.55/387,992.28
  6. Step 6: Final answer
    x = 261,910.74

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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.