Home / 218,841.08-328,261.68-69,096.51

Finding the Fourth Proportional to 218,841.08, 328,261.68 and 69,096.51

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Solution

The fourth proportional to 218,841.08, 328,261.68 and 69,096.51 is: 103,644.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,841.08 : 328,261.68 = 69,096.51 : x
  2. Step 2: Convert to fraction form
    218,841.08/328,261.68 = 69,096.51/x
  3. Step 3: Cross multiply
    218,841.08x = 328,261.68 × 69,096.51
  4. Step 4: Simplify right side
    218,841.08x = 22,681,736,454.74
  5. Step 5: Solve for x
    x = 22,681,736,454.74/218,841.08
  6. Step 6: Final answer
    x = 103,644.79

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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.