Home / 426,258.78-588,195.20-235,259.88

Finding the Fourth Proportional to 426,258.78, 588,195.20 and 235,259.88

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Solution

The fourth proportional to 426,258.78, 588,195.20 and 235,259.88 is: 324,635.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,258.78 : 588,195.20 = 235,259.88 : x
  2. Step 2: Convert to fraction form
    426,258.78/588,195.20 = 235,259.88/x
  3. Step 3: Cross multiply
    426,258.78x = 588,195.20 × 235,259.88
  4. Step 4: Simplify right side
    426,258.78x = 138,378,732,168.58
  5. Step 5: Solve for x
    x = 138,378,732,168.58/426,258.78
  6. Step 6: Final answer
    x = 324,635.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.