Home / 257,002,948.72-354,321,522.12-204,255,789.22

Finding the Fourth Proportional to 257,002,948.72, 354,321,522.12 and 204,255,789.22

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Solution

The fourth proportional to 257,002,948.72, 354,321,522.12 and 204,255,789.22 is: 281,600,746.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,002,948.72 : 354,321,522.12 = 204,255,789.22 : x
  2. Step 2: Convert to fraction form
    257,002,948.72/354,321,522.12 = 204,255,789.22/x
  3. Step 3: Cross multiply
    257,002,948.72x = 354,321,522.12 × 204,255,789.22
  4. Step 4: Simplify right side
    257,002,948.72x = 72,372,222,138,252,288
  5. Step 5: Solve for x
    x = 72,372,222,138,252,288/257,002,948.72
  6. Step 6: Final answer
    x = 281,600,746.21

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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.