Home / 440,146.86-660,257.01-140,670.06

Finding the Fourth Proportional to 440,146.86, 660,257.01 and 140,670.06

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Solution

The fourth proportional to 440,146.86, 660,257.01 and 140,670.06 is: 211,016.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,146.86 : 660,257.01 = 140,670.06 : x
  2. Step 2: Convert to fraction form
    440,146.86/660,257.01 = 140,670.06/x
  3. Step 3: Cross multiply
    440,146.86x = 660,257.01 × 140,670.06
  4. Step 4: Simplify right side
    440,146.86x = 92,878,393,212.12
  5. Step 5: Solve for x
    x = 92,878,393,212.12/440,146.86
  6. Step 6: Final answer
    x = 211,016.83

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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.