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Finding the Fourth Proportional to 527,573.30, 791,470.68 and 172,559.60

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Solution

The fourth proportional to 527,573.30, 791,470.68 and 172,559.60 is: 258,875.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,573.30 : 791,470.68 = 172,559.60 : x
  2. Step 2: Convert to fraction form
    527,573.30/791,470.68 = 172,559.60/x
  3. Step 3: Cross multiply
    527,573.30x = 791,470.68 × 172,559.60
  4. Step 4: Simplify right side
    527,573.30x = 136,575,863,952.53
  5. Step 5: Solve for x
    x = 136,575,863,952.53/527,573.30
  6. Step 6: Final answer
    x = 258,875.62

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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.