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Finding the Fourth Proportional to 426,125, 588,029.34 and 235,101.08

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Solution

The fourth proportional to 426,125, 588,029.34 and 235,101.08 is: 324,426.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,125 : 588,029.34 = 235,101.08 : x
  2. Step 2: Convert to fraction form
    426,125/588,029.34 = 235,101.08/x
  3. Step 3: Cross multiply
    426,125x = 588,029.34 × 235,101.08
  4. Step 4: Simplify right side
    426,125x = 138,246,332,905.69
  5. Step 5: Solve for x
    x = 138,246,332,905.69/426,125
  6. Step 6: Final answer
    x = 324,426.71

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1.5x scale

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.