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Finding the Fourth Proportional to 527,463.80, 790,330.71 and 223,615.17

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Solution

The fourth proportional to 527,463.80, 790,330.71 and 223,615.17 is: 335,056.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,463.80 : 790,330.71 = 223,615.17 : x
  2. Step 2: Convert to fraction form
    527,463.80/790,330.71 = 223,615.17/x
  3. Step 3: Cross multiply
    527,463.80x = 790,330.71 × 223,615.17
  4. Step 4: Simplify right side
    527,463.80x = 176,729,938,198.05
  5. Step 5: Solve for x
    x = 176,729,938,198.05/527,463.80
  6. Step 6: Final answer
    x = 335,056.05

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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.