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Finding the Fourth Proportional to 242,389.41, 363,600.71 and 82,400.23

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Solution

The fourth proportional to 242,389.41, 363,600.71 and 82,400.23 is: 123,605.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,389.41 : 363,600.71 = 82,400.23 : x
  2. Step 2: Convert to fraction form
    242,389.41/363,600.71 = 82,400.23/x
  3. Step 3: Cross multiply
    242,389.41x = 363,600.71 × 82,400.23
  4. Step 4: Simplify right side
    242,389.41x = 29,960,782,132.16
  5. Step 5: Solve for x
    x = 29,960,782,132.16/242,389.41
  6. Step 6: Final answer
    x = 123,605.99

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1.5x scale

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.