Home / 358,882.32-537,921.24-145,600.72

Finding the Fourth Proportional to 358,882.32, 537,921.24 and 145,600.72

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Solution

The fourth proportional to 358,882.32, 537,921.24 and 145,600.72 is: 218,237.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,882.32 : 537,921.24 = 145,600.72 : x
  2. Step 2: Convert to fraction form
    358,882.32/537,921.24 = 145,600.72/x
  3. Step 3: Cross multiply
    358,882.32x = 537,921.24 × 145,600.72
  4. Step 4: Simplify right side
    358,882.32x = 78,321,719,847.29
  5. Step 5: Solve for x
    x = 78,321,719,847.29/358,882.32
  6. Step 6: Final answer
    x = 218,237.89

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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.