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Finding the Fourth Proportional to 302,564.96, 453,896.70 and 89,354.44

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Solution

The fourth proportional to 302,564.96, 453,896.70 and 89,354.44 is: 134,046.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,564.96 : 453,896.70 = 89,354.44 : x
  2. Step 2: Convert to fraction form
    302,564.96/453,896.70 = 89,354.44/x
  3. Step 3: Cross multiply
    302,564.96x = 453,896.70 × 89,354.44
  4. Step 4: Simplify right side
    302,564.96x = 40,557,685,446.35
  5. Step 5: Solve for x
    x = 40,557,685,446.35/302,564.96
  6. Step 6: Final answer
    x = 134,046.21

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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.