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Finding the Fourth Proportional to 302,074.68, 453,082.72 and 91,714.44

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Solution

The fourth proportional to 302,074.68, 453,082.72 and 91,714.44 is: 137,562.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,074.68 : 453,082.72 = 91,714.44 : x
  2. Step 2: Convert to fraction form
    302,074.68/453,082.72 = 91,714.44/x
  3. Step 3: Cross multiply
    302,074.68x = 453,082.72 × 91,714.44
  4. Step 4: Simplify right side
    302,074.68x = 41,554,227,938.48
  5. Step 5: Solve for x
    x = 41,554,227,938.48/302,074.68
  6. Step 6: Final answer
    x = 137,562.76

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1.5x scale

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.