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Finding the Fourth Proportional to 308,346.38, 425,520.93 and 181,024.10

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Solution

The fourth proportional to 308,346.38, 425,520.93 and 181,024.10 is: 249,814.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,346.38 : 425,520.93 = 181,024.10 : x
  2. Step 2: Convert to fraction form
    308,346.38/425,520.93 = 181,024.10/x
  3. Step 3: Cross multiply
    308,346.38x = 425,520.93 × 181,024.10
  4. Step 4: Simplify right side
    308,346.38x = 77,029,543,384.41
  5. Step 5: Solve for x
    x = 77,029,543,384.41/308,346.38
  6. Step 6: Final answer
    x = 249,814.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.