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Finding the Fourth Proportional to 460,600.08, 690,900.12 and 179,920.50

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Solution

The fourth proportional to 460,600.08, 690,900.12 and 179,920.50 is: 269,880.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,600.08 : 690,900.12 = 179,920.50 : x
  2. Step 2: Convert to fraction form
    460,600.08/690,900.12 = 179,920.50/x
  3. Step 3: Cross multiply
    460,600.08x = 690,900.12 × 179,920.50
  4. Step 4: Simplify right side
    460,600.08x = 124,307,095,040.46
  5. Step 5: Solve for x
    x = 124,307,095,040.46/460,600.08
  6. Step 6: Final answer
    x = 269,880.75

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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.