Home / 289,132.28-398,993.97-160,076.50

Finding the Fourth Proportional to 289,132.28, 398,993.97 and 160,076.50

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Solution

The fourth proportional to 289,132.28, 398,993.97 and 160,076.50 is: 220,900.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,132.28 : 398,993.97 = 160,076.50 : x
  2. Step 2: Convert to fraction form
    289,132.28/398,993.97 = 160,076.50/x
  3. Step 3: Cross multiply
    289,132.28x = 398,993.97 × 160,076.50
  4. Step 4: Simplify right side
    289,132.28x = 63,869,557,241.22
  5. Step 5: Solve for x
    x = 63,869,557,241.22/289,132.28
  6. Step 6: Final answer
    x = 220,900.82

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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.