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Finding the Fourth Proportional to 426,453.82, 588,490.81 and 235,463.11

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Solution

The fourth proportional to 426,453.82, 588,490.81 and 235,463.11 is: 324,930.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,453.82 : 588,490.81 = 235,463.11 : x
  2. Step 2: Convert to fraction form
    426,453.82/588,490.81 = 235,463.11/x
  3. Step 3: Cross multiply
    426,453.82x = 588,490.81 × 235,463.11
  4. Step 4: Simplify right side
    426,453.82x = 138,567,876,329.02
  5. Step 5: Solve for x
    x = 138,567,876,329.02/426,453.82
  6. Step 6: Final answer
    x = 324,930.55

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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.