Home / 389,720.16-584,842.68-176,545.98

Finding the Fourth Proportional to 389,720.16, 584,842.68 and 176,545.98

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Solution

The fourth proportional to 389,720.16, 584,842.68 and 176,545.98 is: 264,937.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,720.16 : 584,842.68 = 176,545.98 : x
  2. Step 2: Convert to fraction form
    389,720.16/584,842.68 = 176,545.98/x
  3. Step 3: Cross multiply
    389,720.16x = 584,842.68 × 176,545.98
  4. Step 4: Simplify right side
    389,720.16x = 103,251,624,086.43
  5. Step 5: Solve for x
    x = 103,251,624,086.43/389,720.16
  6. Step 6: Final answer
    x = 264,937.86

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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.