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Finding the Fourth Proportional to 323,068.61, 484,675.19 and 98,446.62

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Solution

The fourth proportional to 323,068.61, 484,675.19 and 98,446.62 is: 147,691.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,068.61 : 484,675.19 = 98,446.62 : x
  2. Step 2: Convert to fraction form
    323,068.61/484,675.19 = 98,446.62/x
  3. Step 3: Cross multiply
    323,068.61x = 484,675.19 × 98,446.62
  4. Step 4: Simplify right side
    323,068.61x = 47,714,634,253.36
  5. Step 5: Solve for x
    x = 47,714,634,253.36/323,068.61
  6. Step 6: Final answer
    x = 147,691.95

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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.