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Finding the Fourth Proportional to 431,406.80, 595,343.36 and 250,226

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Solution

The fourth proportional to 431,406.80, 595,343.36 and 250,226 is: 345,313.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,406.80 : 595,343.36 = 250,226 : x
  2. Step 2: Convert to fraction form
    431,406.80/595,343.36 = 250,226/x
  3. Step 3: Cross multiply
    431,406.80x = 595,343.36 × 250,226
  4. Step 4: Simplify right side
    431,406.80x = 148,970,387,599.36
  5. Step 5: Solve for x
    x = 148,970,387,599.36/431,406.80
  6. Step 6: Final answer
    x = 345,313.03

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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.