Home / 218,925.17-328,436.96-69,174.44

Finding the Fourth Proportional to 218,925.17, 328,436.96 and 69,174.44

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Solution

The fourth proportional to 218,925.17, 328,436.96 and 69,174.44 is: 103,777.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,925.17 : 328,436.96 = 69,174.44 : x
  2. Step 2: Convert to fraction form
    218,925.17/328,436.96 = 69,174.44/x
  3. Step 3: Cross multiply
    218,925.17x = 328,436.96 × 69,174.44
  4. Step 4: Simplify right side
    218,925.17x = 22,719,442,783.30
  5. Step 5: Solve for x
    x = 22,719,442,783.30/218,925.17
  6. Step 6: Final answer
    x = 103,777.21

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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.