Home / 482,228.79-723,343.17-162,353.91

Finding the Fourth Proportional to 482,228.79, 723,343.17 and 162,353.91

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Solution

The fourth proportional to 482,228.79, 723,343.17 and 162,353.91 is: 243,530.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,228.79 : 723,343.17 = 162,353.91 : x
  2. Step 2: Convert to fraction form
    482,228.79/723,343.17 = 162,353.91/x
  3. Step 3: Cross multiply
    482,228.79x = 723,343.17 × 162,353.91
  4. Step 4: Simplify right side
    482,228.79x = 117,437,591,921.30
  5. Step 5: Solve for x
    x = 117,437,591,921.30/482,228.79
  6. Step 6: Final answer
    x = 243,530.86

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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.