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Finding the Fourth Proportional to 431,323.77, 595,226.82 and 250,140.78

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Solution

The fourth proportional to 431,323.77, 595,226.82 and 250,140.78 is: 345,194.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,323.77 : 595,226.82 = 250,140.78 : x
  2. Step 2: Convert to fraction form
    431,323.77/595,226.82 = 250,140.78/x
  3. Step 3: Cross multiply
    431,323.77x = 595,226.82 × 250,140.78
  4. Step 4: Simplify right side
    431,323.77x = 148,890,501,031.72
  5. Step 5: Solve for x
    x = 148,890,501,031.72/431,323.77
  6. Step 6: Final answer
    x = 345,194.29

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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.