Home / 372,540.28-514,091.30-211,385.71

Finding the Fourth Proportional to 372,540.28, 514,091.30 and 211,385.71

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Solution

The fourth proportional to 372,540.28, 514,091.30 and 211,385.71 is: 291,704.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,540.28 : 514,091.30 = 211,385.71 : x
  2. Step 2: Convert to fraction form
    372,540.28/514,091.30 = 211,385.71/x
  3. Step 3: Cross multiply
    372,540.28x = 514,091.30 × 211,385.71
  4. Step 4: Simplify right side
    372,540.28x = 108,671,550,827.94
  5. Step 5: Solve for x
    x = 108,671,550,827.94/372,540.28
  6. Step 6: Final answer
    x = 291,704.17

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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.