Home / 373,905.68-559,964.40-215,654.36

Finding the Fourth Proportional to 373,905.68, 559,964.40 and 215,654.36

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Solution

The fourth proportional to 373,905.68, 559,964.40 and 215,654.36 is: 322,965.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,905.68 : 559,964.40 = 215,654.36 : x
  2. Step 2: Convert to fraction form
    373,905.68/559,964.40 = 215,654.36/x
  3. Step 3: Cross multiply
    373,905.68x = 559,964.40 × 215,654.36
  4. Step 4: Simplify right side
    373,905.68x = 120,758,764,304.78
  5. Step 5: Solve for x
    x = 120,758,764,304.78/373,905.68
  6. Step 6: Final answer
    x = 322,965.85

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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.