Home / 202,443.20-303,470.40-157,439.60

Finding the Fourth Proportional to 202,443.20, 303,470.40 and 157,439.60

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Solution

The fourth proportional to 202,443.20, 303,470.40 and 157,439.60 is: 236,008.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,443.20 : 303,470.40 = 157,439.60 : x
  2. Step 2: Convert to fraction form
    202,443.20/303,470.40 = 157,439.60/x
  3. Step 3: Cross multiply
    202,443.20x = 303,470.40 × 157,439.60
  4. Step 4: Simplify right side
    202,443.20x = 47,778,258,387.84
  5. Step 5: Solve for x
    x = 47,778,258,387.84/202,443.20
  6. Step 6: Final answer
    x = 236,008.22

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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.