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Finding the Fourth Proportional to 650,472.92, 975,490.50 and 218,102.84

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Solution

The fourth proportional to 650,472.92, 975,490.50 and 218,102.84 is: 327,080.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,472.92 : 975,490.50 = 218,102.84 : x
  2. Step 2: Convert to fraction form
    650,472.92/975,490.50 = 218,102.84/x
  3. Step 3: Cross multiply
    650,472.92x = 975,490.50 × 218,102.84
  4. Step 4: Simplify right side
    650,472.92x = 212,757,248,443.02
  5. Step 5: Solve for x
    x = 212,757,248,443.02/650,472.92
  6. Step 6: Final answer
    x = 327,080.87

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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.