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Finding the Fourth Proportional to 375,948.73, 563,342.55 and 253,890.88

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Solution

The fourth proportional to 375,948.73, 563,342.55 and 253,890.88 is: 380,444.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,948.73 : 563,342.55 = 253,890.88 : x
  2. Step 2: Convert to fraction form
    375,948.73/563,342.55 = 253,890.88/x
  3. Step 3: Cross multiply
    375,948.73x = 563,342.55 × 253,890.88
  4. Step 4: Simplify right side
    375,948.73x = 143,027,535,760.94
  5. Step 5: Solve for x
    x = 143,027,535,760.94/375,948.73
  6. Step 6: Final answer
    x = 380,444.26

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1.5x scale

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.