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Finding the Fourth Proportional to 366,901.30, 550,351.95 and 323,598.70

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Solution

The fourth proportional to 366,901.30, 550,351.95 and 323,598.70 is: 485,398.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,901.30 : 550,351.95 = 323,598.70 : x
  2. Step 2: Convert to fraction form
    366,901.30/550,351.95 = 323,598.70/x
  3. Step 3: Cross multiply
    366,901.30x = 550,351.95 × 323,598.70
  4. Step 4: Simplify right side
    366,901.30x = 178,093,175,562.47
  5. Step 5: Solve for x
    x = 178,093,175,562.47/366,901.30
  6. Step 6: Final answer
    x = 485,398.05

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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.