Home / 218,255.18-327,381.33-56,148.98

Finding the Fourth Proportional to 218,255.18, 327,381.33 and 56,148.98

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Solution

The fourth proportional to 218,255.18, 327,381.33 and 56,148.98 is: 84,223.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,255.18 : 327,381.33 = 56,148.98 : x
  2. Step 2: Convert to fraction form
    218,255.18/327,381.33 = 56,148.98/x
  3. Step 3: Cross multiply
    218,255.18x = 327,381.33 × 56,148.98
  4. Step 4: Simplify right side
    218,255.18x = 18,382,127,750.54
  5. Step 5: Solve for x
    x = 18,382,127,750.54/218,255.18
  6. Step 6: Final answer
    x = 84,223.10

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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.