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Finding the Fourth Proportional to 456,642.77, 630,157.58 and 252,693.55

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Solution

The fourth proportional to 456,642.77, 630,157.58 and 252,693.55 is: 348,711.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,642.77 : 630,157.58 = 252,693.55 : x
  2. Step 2: Convert to fraction form
    456,642.77/630,157.58 = 252,693.55/x
  3. Step 3: Cross multiply
    456,642.77x = 630,157.58 × 252,693.55
  4. Step 4: Simplify right side
    456,642.77x = 159,236,755,359.82
  5. Step 5: Solve for x
    x = 159,236,755,359.82/456,642.77
  6. Step 6: Final answer
    x = 348,711.88

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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.