Home / 426,393.31-588,421.13-235,405.33

Finding the Fourth Proportional to 426,393.31, 588,421.13 and 235,405.33

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Solution

The fourth proportional to 426,393.31, 588,421.13 and 235,405.33 is: 324,858.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,393.31 : 588,421.13 = 235,405.33 : x
  2. Step 2: Convert to fraction form
    426,393.31/588,421.13 = 235,405.33/x
  3. Step 3: Cross multiply
    426,393.31x = 588,421.13 × 235,405.33
  4. Step 4: Simplify right side
    426,393.31x = 138,517,469,404.08
  5. Step 5: Solve for x
    x = 138,517,469,404.08/426,393.31
  6. Step 6: Final answer
    x = 324,858.45

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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.