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Finding the Fourth Proportional to 581,672.12, 872,519.10 and 182,304.05

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Solution

The fourth proportional to 581,672.12, 872,519.10 and 182,304.05 is: 273,459.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,672.12 : 872,519.10 = 182,304.05 : x
  2. Step 2: Convert to fraction form
    581,672.12/872,519.10 = 182,304.05/x
  3. Step 3: Cross multiply
    581,672.12x = 872,519.10 × 182,304.05
  4. Step 4: Simplify right side
    581,672.12x = 159,063,761,269.76
  5. Step 5: Solve for x
    x = 159,063,761,269.76/581,672.12
  6. Step 6: Final answer
    x = 273,459.49

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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.