Home / 218,170.41-327,259.67-68,407.35

Finding the Fourth Proportional to 218,170.41, 327,259.67 and 68,407.35

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Solution

The fourth proportional to 218,170.41, 327,259.67 and 68,407.35 is: 102,612.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,170.41 : 327,259.67 = 68,407.35 : x
  2. Step 2: Convert to fraction form
    218,170.41/327,259.67 = 68,407.35/x
  3. Step 3: Cross multiply
    218,170.41x = 327,259.67 × 68,407.35
  4. Step 4: Simplify right side
    218,170.41x = 22,386,966,444.54
  5. Step 5: Solve for x
    x = 22,386,966,444.54/218,170.41
  6. Step 6: Final answer
    x = 102,612.29

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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.