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Finding the Fourth Proportional to 302,801.94, 454,204.76 and 92,439.90

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Solution

The fourth proportional to 302,801.94, 454,204.76 and 92,439.90 is: 138,660.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,801.94 : 454,204.76 = 92,439.90 : x
  2. Step 2: Convert to fraction form
    302,801.94/454,204.76 = 92,439.90/x
  3. Step 3: Cross multiply
    302,801.94x = 454,204.76 × 92,439.90
  4. Step 4: Simplify right side
    302,801.94x = 41,986,642,131.72
  5. Step 5: Solve for x
    x = 41,986,642,131.72/302,801.94
  6. Step 6: Final answer
    x = 138,660.41

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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.