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Finding the Fourth Proportional to 375,452.30, 563,251.95 and 165,089.63

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Solution

The fourth proportional to 375,452.30, 563,251.95 and 165,089.63 is: 247,666.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,452.30 : 563,251.95 = 165,089.63 : x
  2. Step 2: Convert to fraction form
    375,452.30/563,251.95 = 165,089.63/x
  3. Step 3: Cross multiply
    375,452.30x = 563,251.95 × 165,089.63
  4. Step 4: Simplify right side
    375,452.30x = 92,987,053,206.02
  5. Step 5: Solve for x
    x = 92,987,053,206.02/375,452.30
  6. Step 6: Final answer
    x = 247,666.76

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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.