Home / 461,148.24-691,725.60-145,630.56

Finding the Fourth Proportional to 461,148.24, 691,725.60 and 145,630.56

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Solution

The fourth proportional to 461,148.24, 691,725.60 and 145,630.56 is: 218,446.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,148.24 : 691,725.60 = 145,630.56 : x
  2. Step 2: Convert to fraction form
    461,148.24/691,725.60 = 145,630.56/x
  3. Step 3: Cross multiply
    461,148.24x = 691,725.60 × 145,630.56
  4. Step 4: Simplify right side
    461,148.24x = 100,736,386,494.34
  5. Step 5: Solve for x
    x = 100,736,386,494.34/461,148.24
  6. Step 6: Final answer
    x = 218,446.86

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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.