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Finding the Fourth Proportional to 302,472.59, 453,640.84 and 89,194.73

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Solution

The fourth proportional to 302,472.59, 453,640.84 and 89,194.73 is: 133,772.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,472.59 : 453,640.84 = 89,194.73 : x
  2. Step 2: Convert to fraction form
    302,472.59/453,640.84 = 89,194.73/x
  3. Step 3: Cross multiply
    302,472.59x = 453,640.84 × 89,194.73
  4. Step 4: Simplify right side
    302,472.59x = 40,462,369,749.58
  5. Step 5: Solve for x
    x = 40,462,369,749.58/302,472.59
  6. Step 6: Final answer
    x = 133,772.02

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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.