Home / 221,146.28-304,872.66-187,017.53

Finding the Fourth Proportional to 221,146.28, 304,872.66 and 187,017.53

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Solution

The fourth proportional to 221,146.28, 304,872.66 and 187,017.53 is: 257,822.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,146.28 : 304,872.66 = 187,017.53 : x
  2. Step 2: Convert to fraction form
    221,146.28/304,872.66 = 187,017.53/x
  3. Step 3: Cross multiply
    221,146.28x = 304,872.66 × 187,017.53
  4. Step 4: Simplify right side
    221,146.28x = 57,016,531,837.73
  5. Step 5: Solve for x
    x = 57,016,531,837.73/221,146.28
  6. Step 6: Final answer
    x = 257,822.70

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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.