Home / 340,193.16-509,974.20-150,552.72

Finding the Fourth Proportional to 340,193.16, 509,974.20 and 150,552.72

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Solution

The fourth proportional to 340,193.16, 509,974.20 and 150,552.72 is: 225,689.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,193.16 : 509,974.20 = 150,552.72 : x
  2. Step 2: Convert to fraction form
    340,193.16/509,974.20 = 150,552.72/x
  3. Step 3: Cross multiply
    340,193.16x = 509,974.20 × 150,552.72
  4. Step 4: Simplify right side
    340,193.16x = 76,778,002,939.82
  5. Step 5: Solve for x
    x = 76,778,002,939.82/340,193.16
  6. Step 6: Final answer
    x = 225,689.44

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1.5x scale

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.