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Finding the Fourth Proportional to 223,229.60, 334,552.80 and 90,000.80

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Solution

The fourth proportional to 223,229.60, 334,552.80 and 90,000.80 is: 134,883.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,229.60 : 334,552.80 = 90,000.80 : x
  2. Step 2: Convert to fraction form
    223,229.60/334,552.80 = 90,000.80/x
  3. Step 3: Cross multiply
    223,229.60x = 334,552.80 × 90,000.80
  4. Step 4: Simplify right side
    223,229.60x = 30,110,019,642.24
  5. Step 5: Solve for x
    x = 30,110,019,642.24/223,229.60
  6. Step 6: Final answer
    x = 134,883.63

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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.