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Finding the Fourth Proportional to 222,001.67, 306,157.88 and 145,492.90

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Solution

The fourth proportional to 222,001.67, 306,157.88 and 145,492.90 is: 200,646.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,001.67 : 306,157.88 = 145,492.90 : x
  2. Step 2: Convert to fraction form
    222,001.67/306,157.88 = 145,492.90/x
  3. Step 3: Cross multiply
    222,001.67x = 306,157.88 × 145,492.90
  4. Step 4: Simplify right side
    222,001.67x = 44,543,797,819.05
  5. Step 5: Solve for x
    x = 44,543,797,819.05/222,001.67
  6. Step 6: Final answer
    x = 200,646.23

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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.