Home / 387,545.50-581,320.68-107,065.18

Finding the Fourth Proportional to 387,545.50, 581,320.68 and 107,065.18

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Solution

The fourth proportional to 387,545.50, 581,320.68 and 107,065.18 is: 160,598.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,545.50 : 581,320.68 = 107,065.18 : x
  2. Step 2: Convert to fraction form
    387,545.50/581,320.68 = 107,065.18/x
  3. Step 3: Cross multiply
    387,545.50x = 581,320.68 × 107,065.18
  4. Step 4: Simplify right side
    387,545.50x = 62,239,203,241.92
  5. Step 5: Solve for x
    x = 62,239,203,241.92/387,545.50
  6. Step 6: Final answer
    x = 160,598.44

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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.