Home / 389,301.12-583,951.68-152,755.20

Finding the Fourth Proportional to 389,301.12, 583,951.68 and 152,755.20

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Solution

The fourth proportional to 389,301.12, 583,951.68 and 152,755.20 is: 229,132.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,301.12 : 583,951.68 = 152,755.20 : x
  2. Step 2: Convert to fraction form
    389,301.12/583,951.68 = 152,755.20/x
  3. Step 3: Cross multiply
    389,301.12x = 583,951.68 × 152,755.20
  4. Step 4: Simplify right side
    389,301.12x = 89,201,655,668.74
  5. Step 5: Solve for x
    x = 89,201,655,668.74/389,301.12
  6. Step 6: Final answer
    x = 229,132.80

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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.