Home / 280,204.44-386,683.38-152,882.70

Finding the Fourth Proportional to 280,204.44, 386,683.38 and 152,882.70

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Solution

The fourth proportional to 280,204.44, 386,683.38 and 152,882.70 is: 210,978.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,204.44 : 386,683.38 = 152,882.70 : x
  2. Step 2: Convert to fraction form
    280,204.44/386,683.38 = 152,882.70/x
  3. Step 3: Cross multiply
    280,204.44x = 386,683.38 × 152,882.70
  4. Step 4: Simplify right side
    280,204.44x = 59,117,199,179.53
  5. Step 5: Solve for x
    x = 59,117,199,179.53/280,204.44
  6. Step 6: Final answer
    x = 210,978.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.