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Finding the Fourth Proportional to 442,053.30, 662,095.80 and 363,321.30

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Solution

The fourth proportional to 442,053.30, 662,095.80 and 363,321.30 is: 544,173.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,053.30 : 662,095.80 = 363,321.30 : x
  2. Step 2: Convert to fraction form
    442,053.30/662,095.80 = 363,321.30/x
  3. Step 3: Cross multiply
    442,053.30x = 662,095.80 × 363,321.30
  4. Step 4: Simplify right side
    442,053.30x = 240,553,506,780.54
  5. Step 5: Solve for x
    x = 240,553,506,780.54/442,053.30
  6. Step 6: Final answer
    x = 544,173.08

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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.