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Finding the Fourth Proportional to 460,600.52, 690,900.78 and 179,920.94

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Solution

The fourth proportional to 460,600.52, 690,900.78 and 179,920.94 is: 269,881.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,600.52 : 690,900.78 = 179,920.94 : x
  2. Step 2: Convert to fraction form
    460,600.52/690,900.78 = 179,920.94/x
  3. Step 3: Cross multiply
    460,600.52x = 690,900.78 × 179,920.94
  4. Step 4: Simplify right side
    460,600.52x = 124,307,517,784.33
  5. Step 5: Solve for x
    x = 124,307,517,784.33/460,600.52
  6. Step 6: Final answer
    x = 269,881.41

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Similar ratio
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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.