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Finding the Fourth Proportional to 431,833.11, 595,930.76 and 240,858.87

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Solution

The fourth proportional to 431,833.11, 595,930.76 and 240,858.87 is: 332,385.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,833.11 : 595,930.76 = 240,858.87 : x
  2. Step 2: Convert to fraction form
    431,833.11/595,930.76 = 240,858.87/x
  3. Step 3: Cross multiply
    431,833.11x = 595,930.76 × 240,858.87
  4. Step 4: Simplify right side
    431,833.11x = 143,535,209,451.84
  5. Step 5: Solve for x
    x = 143,535,209,451.84/431,833.11
  6. Step 6: Final answer
    x = 332,385.84

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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.