Home / 371,034.36-511,881.30-227,545.20

Finding the Fourth Proportional to 371,034.36, 511,881.30 and 227,545.20

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Solution

The fourth proportional to 371,034.36, 511,881.30 and 227,545.20 is: 313,922.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,034.36 : 511,881.30 = 227,545.20 : x
  2. Step 2: Convert to fraction form
    371,034.36/511,881.30 = 227,545.20/x
  3. Step 3: Cross multiply
    371,034.36x = 511,881.30 × 227,545.20
  4. Step 4: Simplify right side
    371,034.36x = 116,476,132,784.76
  5. Step 5: Solve for x
    x = 116,476,132,784.76/371,034.36
  6. Step 6: Final answer
    x = 313,922.77

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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.