Home / 279,351.15-385,512.66-152,034.81

Finding the Fourth Proportional to 279,351.15, 385,512.66 and 152,034.81

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Solution

The fourth proportional to 279,351.15, 385,512.66 and 152,034.81 is: 209,812.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,351.15 : 385,512.66 = 152,034.81 : x
  2. Step 2: Convert to fraction form
    279,351.15/385,512.66 = 152,034.81/x
  3. Step 3: Cross multiply
    279,351.15x = 385,512.66 × 152,034.81
  4. Step 4: Simplify right side
    279,351.15x = 58,611,344,015.69
  5. Step 5: Solve for x
    x = 58,611,344,015.69/279,351.15
  6. Step 6: Final answer
    x = 209,812.43

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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.