Home / 646,015.28-968,949.11-172,737.55

Finding the Fourth Proportional to 646,015.28, 968,949.11 and 172,737.55

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Solution

The fourth proportional to 646,015.28, 968,949.11 and 172,737.55 is: 259,086.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,015.28 : 968,949.11 = 172,737.55 : x
  2. Step 2: Convert to fraction form
    646,015.28/968,949.11 = 172,737.55/x
  3. Step 3: Cross multiply
    646,015.28x = 968,949.11 × 172,737.55
  4. Step 4: Simplify right side
    646,015.28x = 167,373,890,557.12
  5. Step 5: Solve for x
    x = 167,373,890,557.12/646,015.28
  6. Step 6: Final answer
    x = 259,086.58

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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.