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Finding the Fourth Proportional to 302,504, 453,650 and 89,215.24

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Solution

The fourth proportional to 302,504, 453,650 and 89,215.24 is: 133,791.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,504 : 453,650 = 89,215.24 : x
  2. Step 2: Convert to fraction form
    302,504/453,650 = 89,215.24/x
  3. Step 3: Cross multiply
    302,504x = 453,650 × 89,215.24
  4. Step 4: Simplify right side
    302,504x = 40,472,493,626
  5. Step 5: Solve for x
    x = 40,472,493,626/302,504
  6. Step 6: Final answer
    x = 133,791.60

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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.