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Finding the Fourth Proportional to 308,677, 426,028.86 and 181,352.56

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Solution

The fourth proportional to 308,677, 426,028.86 and 181,352.56 is: 250,298.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,677 : 426,028.86 = 181,352.56 : x
  2. Step 2: Convert to fraction form
    308,677/426,028.86 = 181,352.56/x
  3. Step 3: Cross multiply
    308,677x = 426,028.86 × 181,352.56
  4. Step 4: Simplify right side
    308,677x = 77,261,424,394.88
  5. Step 5: Solve for x
    x = 77,261,424,394.88/308,677
  6. Step 6: Final answer
    x = 250,298.61

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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.