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Finding the Fourth Proportional to 517,101.80, 775,652.70 and 251,381.30

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Solution

The fourth proportional to 517,101.80, 775,652.70 and 251,381.30 is: 377,071.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,101.80 : 775,652.70 = 251,381.30 : x
  2. Step 2: Convert to fraction form
    517,101.80/775,652.70 = 251,381.30/x
  3. Step 3: Cross multiply
    517,101.80x = 775,652.70 × 251,381.30
  4. Step 4: Simplify right side
    517,101.80x = 194,984,584,074.51
  5. Step 5: Solve for x
    x = 194,984,584,074.51/517,101.80
  6. Step 6: Final answer
    x = 377,071.95

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Similar ratio
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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.