Home / 331,155.42-456,981.78-187,906.92

Finding the Fourth Proportional to 331,155.42, 456,981.78 and 187,906.92

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Solution

The fourth proportional to 331,155.42, 456,981.78 and 187,906.92 is: 259,304.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,155.42 : 456,981.78 = 187,906.92 : x
  2. Step 2: Convert to fraction form
    331,155.42/456,981.78 = 187,906.92/x
  3. Step 3: Cross multiply
    331,155.42x = 456,981.78 × 187,906.92
  4. Step 4: Simplify right side
    331,155.42x = 85,870,038,775.92
  5. Step 5: Solve for x
    x = 85,870,038,775.92/331,155.42
  6. Step 6: Final answer
    x = 259,304.34

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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.