Home / 221,141.27-304,865.78-187,012.53

Finding the Fourth Proportional to 221,141.27, 304,865.78 and 187,012.53

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Solution

The fourth proportional to 221,141.27, 304,865.78 and 187,012.53 is: 257,815.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,141.27 : 304,865.78 = 187,012.53 : x
  2. Step 2: Convert to fraction form
    221,141.27/304,865.78 = 187,012.53/x
  3. Step 3: Cross multiply
    221,141.27x = 304,865.78 × 187,012.53
  4. Step 4: Simplify right side
    221,141.27x = 57,013,719,893.16
  5. Step 5: Solve for x
    x = 57,013,719,893.16/221,141.27
  6. Step 6: Final answer
    x = 257,815.83

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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.