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Finding the Fourth Proportional to 457,150.94, 630,872.96 and 275,827.88

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Solution

The fourth proportional to 457,150.94, 630,872.96 and 275,827.88 is: 380,645.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,150.94 : 630,872.96 = 275,827.88 : x
  2. Step 2: Convert to fraction form
    457,150.94/630,872.96 = 275,827.88/x
  3. Step 3: Cross multiply
    457,150.94x = 630,872.96 × 275,827.88
  4. Step 4: Simplify right side
    457,150.94x = 174,012,351,304.17
  5. Step 5: Solve for x
    x = 174,012,351,304.17/457,150.94
  6. Step 6: Final answer
    x = 380,645.29

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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.