Home / 222,300.55-306,691.02-145,861.84

Finding the Fourth Proportional to 222,300.55, 306,691.02 and 145,861.84

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Solution

The fourth proportional to 222,300.55, 306,691.02 and 145,861.84 is: 201,234.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,300.55 : 306,691.02 = 145,861.84 : x
  2. Step 2: Convert to fraction form
    222,300.55/306,691.02 = 145,861.84/x
  3. Step 3: Cross multiply
    222,300.55x = 306,691.02 × 145,861.84
  4. Step 4: Simplify right side
    222,300.55x = 44,734,516,488.68
  5. Step 5: Solve for x
    x = 44,734,516,488.68/222,300.55
  6. Step 6: Final answer
    x = 201,234.39

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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.