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Finding the Fourth Proportional to 426,296.74, 588,294.42 and 235,310.32

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Solution

The fourth proportional to 426,296.74, 588,294.42 and 235,310.32 is: 324,730.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,296.74 : 588,294.42 = 235,310.32 : x
  2. Step 2: Convert to fraction form
    426,296.74/588,294.42 = 235,310.32/x
  3. Step 3: Cross multiply
    426,296.74x = 588,294.42 × 235,310.32
  4. Step 4: Simplify right side
    426,296.74x = 138,431,748,224.41
  5. Step 5: Solve for x
    x = 138,431,748,224.41/426,296.74
  6. Step 6: Final answer
    x = 324,730.96

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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.