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Finding the Fourth Proportional to 426,494.64, 588,566.64 and 235,503.84

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Solution

The fourth proportional to 426,494.64, 588,566.64 and 235,503.84 is: 324,997.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,494.64 : 588,566.64 = 235,503.84 : x
  2. Step 2: Convert to fraction form
    426,494.64/588,566.64 = 235,503.84/x
  3. Step 3: Cross multiply
    426,494.64x = 588,566.64 × 235,503.84
  4. Step 4: Simplify right side
    426,494.64x = 138,609,703,815.90
  5. Step 5: Solve for x
    x = 138,609,703,815.90/426,494.64
  6. Step 6: Final answer
    x = 324,997.53

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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.