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Finding the Fourth Proportional to 145,552, 218,328 and 58,061.44

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Solution

The fourth proportional to 145,552, 218,328 and 58,061.44 is: 87,092.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,552 : 218,328 = 58,061.44 : x
  2. Step 2: Convert to fraction form
    145,552/218,328 = 58,061.44/x
  3. Step 3: Cross multiply
    145,552x = 218,328 × 58,061.44
  4. Step 4: Simplify right side
    145,552x = 12,676,438,072.32
  5. Step 5: Solve for x
    x = 12,676,438,072.32/145,552
  6. Step 6: Final answer
    x = 87,092.16

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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.