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Finding the Fourth Proportional to 222,002.68, 306,159.26 and 145,493.90

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Solution

The fourth proportional to 222,002.68, 306,159.26 and 145,493.90 is: 200,647.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,002.68 : 306,159.26 = 145,493.90 : x
  2. Step 2: Convert to fraction form
    222,002.68/306,159.26 = 145,493.90/x
  3. Step 3: Cross multiply
    222,002.68x = 306,159.26 × 145,493.90
  4. Step 4: Simplify right side
    222,002.68x = 44,544,304,758.51
  5. Step 5: Solve for x
    x = 44,544,304,758.51/222,002.68
  6. Step 6: Final answer
    x = 200,647.60

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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.