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Finding the Fourth Proportional to 435,541.32, 653,481 and 169,488.72

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Solution

The fourth proportional to 435,541.32, 653,481 and 169,488.72 is: 254,298.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,541.32 : 653,481 = 169,488.72 : x
  2. Step 2: Convert to fraction form
    435,541.32/653,481 = 169,488.72/x
  3. Step 3: Cross multiply
    435,541.32x = 653,481 × 169,488.72
  4. Step 4: Simplify right side
    435,541.32x = 110,757,658,234.32
  5. Step 5: Solve for x
    x = 110,757,658,234.32/435,541.32
  6. Step 6: Final answer
    x = 254,298.85

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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.