Home / 439,730.10-659,141.55-239,627.70

Finding the Fourth Proportional to 439,730.10, 659,141.55 and 239,627.70

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Solution

The fourth proportional to 439,730.10, 659,141.55 and 239,627.70 is: 359,194.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,730.10 : 659,141.55 = 239,627.70 : x
  2. Step 2: Convert to fraction form
    439,730.10/659,141.55 = 239,627.70/x
  3. Step 3: Cross multiply
    439,730.10x = 659,141.55 × 239,627.70
  4. Step 4: Simplify right side
    439,730.10x = 157,948,573,600.94
  5. Step 5: Solve for x
    x = 157,948,573,600.94/439,730.10
  6. Step 6: Final answer
    x = 359,194.36

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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.