Home / 440,305.40-660,402.96-140,761.13

Finding the Fourth Proportional to 440,305.40, 660,402.96 and 140,761.13

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Solution

The fourth proportional to 440,305.40, 660,402.96 and 140,761.13 is: 211,124.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,305.40 : 660,402.96 = 140,761.13 : x
  2. Step 2: Convert to fraction form
    440,305.40/660,402.96 = 140,761.13/x
  3. Step 3: Cross multiply
    440,305.40x = 660,402.96 × 140,761.13
  4. Step 4: Simplify right side
    440,305.40x = 92,959,066,904.94
  5. Step 5: Solve for x
    x = 92,959,066,904.94/440,305.40
  6. Step 6: Final answer
    x = 211,124.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.