Home / 457,272.16-630,825.90-296,179

Finding the Fourth Proportional to 457,272.16, 630,825.90 and 296,179

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Solution

The fourth proportional to 457,272.16, 630,825.90 and 296,179 is: 408,591.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,272.16 : 630,825.90 = 296,179 : x
  2. Step 2: Convert to fraction form
    457,272.16/630,825.90 = 296,179/x
  3. Step 3: Cross multiply
    457,272.16x = 630,825.90 × 296,179
  4. Step 4: Simplify right side
    457,272.16x = 186,837,384,236.10
  5. Step 5: Solve for x
    x = 186,837,384,236.10/457,272.16
  6. Step 6: Final answer
    x = 408,591.21

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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.