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Finding the Fourth Proportional to 457,195.39, 630,922.97 and 253,245.64

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Solution

The fourth proportional to 457,195.39, 630,922.97 and 253,245.64 is: 349,475.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,195.39 : 630,922.97 = 253,245.64 : x
  2. Step 2: Convert to fraction form
    457,195.39/630,922.97 = 253,245.64/x
  3. Step 3: Cross multiply
    457,195.39x = 630,922.97 × 253,245.64
  4. Step 4: Simplify right side
    457,195.39x = 159,778,491,328.35
  5. Step 5: Solve for x
    x = 159,778,491,328.35/457,195.39
  6. Step 6: Final answer
    x = 349,475.29

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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.