Home / 340,244.15-510,367.66-137,844.19

Finding the Fourth Proportional to 340,244.15, 510,367.66 and 137,844.19

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Solution

The fourth proportional to 340,244.15, 510,367.66 and 137,844.19 is: 206,766.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,244.15 : 510,367.66 = 137,844.19 : x
  2. Step 2: Convert to fraction form
    340,244.15/510,367.66 = 137,844.19/x
  3. Step 3: Cross multiply
    340,244.15x = 510,367.66 × 137,844.19
  4. Step 4: Simplify right side
    340,244.15x = 70,351,216,988.24
  5. Step 5: Solve for x
    x = 70,351,216,988.24/340,244.15
  6. Step 6: Final answer
    x = 206,766.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.