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Finding the Fourth Proportional to 431,857.66, 595,964.42 and 240,883.42

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Solution

The fourth proportional to 431,857.66, 595,964.42 and 240,883.42 is: 332,419.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,857.66 : 595,964.42 = 240,883.42 : x
  2. Step 2: Convert to fraction form
    431,857.66/595,964.42 = 240,883.42/x
  3. Step 3: Cross multiply
    431,857.66x = 595,964.42 × 240,883.42
  4. Step 4: Simplify right side
    431,857.66x = 143,557,947,687.92
  5. Step 5: Solve for x
    x = 143,557,947,687.92/431,857.66
  6. Step 6: Final answer
    x = 332,419.59

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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.