Home / 445,336.56-667,862.28-145,735.92

Finding the Fourth Proportional to 445,336.56, 667,862.28 and 145,735.92

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Solution

The fourth proportional to 445,336.56, 667,862.28 and 145,735.92 is: 218,557.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,336.56 : 667,862.28 = 145,735.92 : x
  2. Step 2: Convert to fraction form
    445,336.56/667,862.28 = 145,735.92/x
  3. Step 3: Cross multiply
    445,336.56x = 667,862.28 × 145,735.92
  4. Step 4: Simplify right side
    445,336.56x = 97,331,523,809.10
  5. Step 5: Solve for x
    x = 97,331,523,809.10/445,336.56
  6. Step 6: Final answer
    x = 218,557.23

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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.