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Finding the Fourth Proportional to 279,232.25, 385,361.57 and 170,326.83

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Solution

The fourth proportional to 279,232.25, 385,361.57 and 170,326.83 is: 235,063.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,232.25 : 385,361.57 = 170,326.83 : x
  2. Step 2: Convert to fraction form
    279,232.25/385,361.57 = 170,326.83/x
  3. Step 3: Cross multiply
    279,232.25x = 385,361.57 × 170,326.83
  4. Step 4: Simplify right side
    279,232.25x = 65,637,412,806.89
  5. Step 5: Solve for x
    x = 65,637,412,806.89/279,232.25
  6. Step 6: Final answer
    x = 235,063.87

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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.