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Finding the Fourth Proportional to 222,473.75, 307,014.08 and 123,019.16

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Solution

The fourth proportional to 222,473.75, 307,014.08 and 123,019.16 is: 169,766.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,473.75 : 307,014.08 = 123,019.16 : x
  2. Step 2: Convert to fraction form
    222,473.75/307,014.08 = 123,019.16/x
  3. Step 3: Cross multiply
    222,473.75x = 307,014.08 × 123,019.16
  4. Step 4: Simplify right side
    222,473.75x = 37,768,612,079.61
  5. Step 5: Solve for x
    x = 37,768,612,079.61/222,473.75
  6. Step 6: Final answer
    x = 169,766.60

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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.