Home / 382,499.28-527,867.70-212,729.76

Finding the Fourth Proportional to 382,499.28, 527,867.70 and 212,729.76

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Solution

The fourth proportional to 382,499.28, 527,867.70 and 212,729.76 is: 293,577.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,499.28 : 527,867.70 = 212,729.76 : x
  2. Step 2: Convert to fraction form
    382,499.28/527,867.70 = 212,729.76/x
  3. Step 3: Cross multiply
    382,499.28x = 527,867.70 × 212,729.76
  4. Step 4: Simplify right side
    382,499.28x = 112,293,169,132.75
  5. Step 5: Solve for x
    x = 112,293,169,132.75/382,499.28
  6. Step 6: Final answer
    x = 293,577.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.