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Finding the Fourth Proportional to 323,133.98, 484,772.92 and 98,511.89

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Solution

The fourth proportional to 323,133.98, 484,772.92 and 98,511.89 is: 147,789.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,133.98 : 484,772.92 = 98,511.89 : x
  2. Step 2: Convert to fraction form
    323,133.98/484,772.92 = 98,511.89/x
  3. Step 3: Cross multiply
    323,133.98x = 484,772.92 × 98,511.89
  4. Step 4: Simplify right side
    323,133.98x = 47,755,893,899.87
  5. Step 5: Solve for x
    x = 47,755,893,899.87/323,133.98
  6. Step 6: Final answer
    x = 147,789.76

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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.