Home / 296,728.72-442,238.26-292,004.88

Finding the Fourth Proportional to 296,728.72, 442,238.26 and 292,004.88

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Solution

The fourth proportional to 296,728.72, 442,238.26 and 292,004.88 is: 435,197.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,728.72 : 442,238.26 = 292,004.88 : x
  2. Step 2: Convert to fraction form
    296,728.72/442,238.26 = 292,004.88/x
  3. Step 3: Cross multiply
    296,728.72x = 442,238.26 × 292,004.88
  4. Step 4: Simplify right side
    296,728.72x = 129,135,730,042.71
  5. Step 5: Solve for x
    x = 129,135,730,042.71/296,728.72
  6. Step 6: Final answer
    x = 435,197.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.