Home / 218,583.38-327,886.72-68,835.35

Finding the Fourth Proportional to 218,583.38, 327,886.72 and 68,835.35

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Solution

The fourth proportional to 218,583.38, 327,886.72 and 68,835.35 is: 103,256.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,583.38 : 327,886.72 = 68,835.35 : x
  2. Step 2: Convert to fraction form
    218,583.38/327,886.72 = 68,835.35/x
  3. Step 3: Cross multiply
    218,583.38x = 327,886.72 × 68,835.35
  4. Step 4: Simplify right side
    218,583.38x = 22,570,197,779.18
  5. Step 5: Solve for x
    x = 22,570,197,779.18/218,583.38
  6. Step 6: Final answer
    x = 103,256.70

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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.