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Finding the Fourth Proportional to 302,034.24, 453,052.80 and 91,674

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Solution

The fourth proportional to 302,034.24, 453,052.80 and 91,674 is: 137,511.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,034.24 : 453,052.80 = 91,674 : x
  2. Step 2: Convert to fraction form
    302,034.24/453,052.80 = 91,674/x
  3. Step 3: Cross multiply
    302,034.24x = 453,052.80 × 91,674
  4. Step 4: Simplify right side
    302,034.24x = 41,533,162,387.20
  5. Step 5: Solve for x
    x = 41,533,162,387.20/302,034.24
  6. Step 6: Final answer
    x = 137,511.44

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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.