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Finding the Fourth Proportional to 364,275.53, 546,414.31 and 127,562.84

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Solution

The fourth proportional to 364,275.53, 546,414.31 and 127,562.84 is: 191,344.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,275.53 : 546,414.31 = 127,562.84 : x
  2. Step 2: Convert to fraction form
    364,275.53/546,414.31 = 127,562.84/x
  3. Step 3: Cross multiply
    364,275.53x = 546,414.31 × 127,562.84
  4. Step 4: Simplify right side
    364,275.53x = 69,702,161,200.24
  5. Step 5: Solve for x
    x = 69,702,161,200.24/364,275.53
  6. Step 6: Final answer
    x = 191,344.62

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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.