Home / 382,688.20-573,721.26-133,545.16

Finding the Fourth Proportional to 382,688.20, 573,721.26 and 133,545.16

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Solution

The fourth proportional to 382,688.20, 573,721.26 and 133,545.16 is: 200,209.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,688.20 : 573,721.26 = 133,545.16 : x
  2. Step 2: Convert to fraction form
    382,688.20/573,721.26 = 133,545.16/x
  3. Step 3: Cross multiply
    382,688.20x = 573,721.26 × 133,545.16
  4. Step 4: Simplify right side
    382,688.20x = 76,617,697,462.10
  5. Step 5: Solve for x
    x = 76,617,697,462.10/382,688.20
  6. Step 6: Final answer
    x = 200,209.20

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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.