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Finding the Fourth Proportional to 341,545.80, 511,665.90 and 183,721.80

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Solution

The fourth proportional to 341,545.80, 511,665.90 and 183,721.80 is: 275,231.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,545.80 : 511,665.90 = 183,721.80 : x
  2. Step 2: Convert to fraction form
    341,545.80/511,665.90 = 183,721.80/x
  3. Step 3: Cross multiply
    341,545.80x = 511,665.90 × 183,721.80
  4. Step 4: Simplify right side
    341,545.80x = 94,004,180,146.62
  5. Step 5: Solve for x
    x = 94,004,180,146.62/341,545.80
  6. Step 6: Final answer
    x = 275,231.55

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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.