Home / 440,021.32-660,309.65-187,301.41

Finding the Fourth Proportional to 440,021.32, 660,309.65 and 187,301.41

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Solution

The fourth proportional to 440,021.32, 660,309.65 and 187,301.41 is: 281,070.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,021.32 : 660,309.65 = 187,301.41 : x
  2. Step 2: Convert to fraction form
    440,021.32/660,309.65 = 187,301.41/x
  3. Step 3: Cross multiply
    440,021.32x = 660,309.65 × 187,301.41
  4. Step 4: Simplify right side
    440,021.32x = 123,676,928,481.61
  5. Step 5: Solve for x
    x = 123,676,928,481.61/440,021.32
  6. Step 6: Final answer
    x = 281,070.31

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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.