Home / 302,240.38-453,344.16-91,861.92

Finding the Fourth Proportional to 302,240.38, 453,344.16 and 91,861.92

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Solution

The fourth proportional to 302,240.38, 453,344.16 and 91,861.92 is: 137,787.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,240.38 : 453,344.16 = 91,861.92 : x
  2. Step 2: Convert to fraction form
    302,240.38/453,344.16 = 91,861.92/x
  3. Step 3: Cross multiply
    302,240.38x = 453,344.16 × 91,861.92
  4. Step 4: Simplify right side
    302,240.38x = 41,645,064,958.39
  5. Step 5: Solve for x
    x = 41,645,064,958.39/302,240.38
  6. Step 6: Final answer
    x = 137,787.89

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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.