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Finding the Fourth Proportional to 325,463.60, 449,134.74 and 182,228.76

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Solution

The fourth proportional to 325,463.60, 449,134.74 and 182,228.76 is: 251,472.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,463.60 : 449,134.74 = 182,228.76 : x
  2. Step 2: Convert to fraction form
    325,463.60/449,134.74 = 182,228.76/x
  3. Step 3: Cross multiply
    325,463.60x = 449,134.74 × 182,228.76
  4. Step 4: Simplify right side
    325,463.60x = 81,845,266,743.12
  5. Step 5: Solve for x
    x = 81,845,266,743.12/325,463.60
  6. Step 6: Final answer
    x = 251,472.87

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1.5x scale

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.