Home / 227,851.60-341,121.30-139,278.10

Finding the Fourth Proportional to 227,851.60, 341,121.30 and 139,278.10

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Solution

The fourth proportional to 227,851.60, 341,121.30 and 139,278.10 is: 208,516.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,851.60 : 341,121.30 = 139,278.10 : x
  2. Step 2: Convert to fraction form
    227,851.60/341,121.30 = 139,278.10/x
  3. Step 3: Cross multiply
    227,851.60x = 341,121.30 × 139,278.10
  4. Step 4: Simplify right side
    227,851.60x = 47,510,726,533.53
  5. Step 5: Solve for x
    x = 47,510,726,533.53/227,851.60
  6. Step 6: Final answer
    x = 208,516.10

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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.