Home / 218,724.60-328,086.90-148,222.20

Finding the Fourth Proportional to 218,724.60, 328,086.90 and 148,222.20

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Solution

The fourth proportional to 218,724.60, 328,086.90 and 148,222.20 is: 222,333.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,724.60 : 328,086.90 = 148,222.20 : x
  2. Step 2: Convert to fraction form
    218,724.60/328,086.90 = 148,222.20/x
  3. Step 3: Cross multiply
    218,724.60x = 328,086.90 × 148,222.20
  4. Step 4: Simplify right side
    218,724.60x = 48,629,762,109.18
  5. Step 5: Solve for x
    x = 48,629,762,109.18/218,724.60
  6. Step 6: Final answer
    x = 222,333.30

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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.