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Finding the Fourth Proportional to 302,504.45, 453,650.90 and 89,215.79

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Solution

The fourth proportional to 302,504.45, 453,650.90 and 89,215.79 is: 133,792.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,504.45 : 453,650.90 = 89,215.79 : x
  2. Step 2: Convert to fraction form
    302,504.45/453,650.90 = 89,215.79/x
  3. Step 3: Cross multiply
    302,504.45x = 453,650.90 × 89,215.79
  4. Step 4: Simplify right side
    302,504.45x = 40,472,820,713.38
  5. Step 5: Solve for x
    x = 40,472,820,713.38/302,504.45
  6. Step 6: Final answer
    x = 133,792.48

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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.