Home / 461,364.90-691,982.55-145,853.70

Finding the Fourth Proportional to 461,364.90, 691,982.55 and 145,853.70

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Solution

The fourth proportional to 461,364.90, 691,982.55 and 145,853.70 is: 218,760.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,364.90 : 691,982.55 = 145,853.70 : x
  2. Step 2: Convert to fraction form
    461,364.90/691,982.55 = 145,853.70/x
  3. Step 3: Cross multiply
    461,364.90x = 691,982.55 × 145,853.70
  4. Step 4: Simplify right side
    461,364.90x = 100,928,215,252.94
  5. Step 5: Solve for x
    x = 100,928,215,252.94/461,364.90
  6. Step 6: Final answer
    x = 218,760.06

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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.