Home / 215,330.84-322,758.40-88,901.39

Finding the Fourth Proportional to 215,330.84, 322,758.40 and 88,901.39

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Solution

The fourth proportional to 215,330.84, 322,758.40 and 88,901.39 is: 133,253.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,330.84 : 322,758.40 = 88,901.39 : x
  2. Step 2: Convert to fraction form
    215,330.84/322,758.40 = 88,901.39/x
  3. Step 3: Cross multiply
    215,330.84x = 322,758.40 × 88,901.39
  4. Step 4: Simplify right side
    215,330.84x = 28,693,670,394.18
  5. Step 5: Solve for x
    x = 28,693,670,394.18/215,330.84
  6. Step 6: Final answer
    x = 133,253.88

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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.