Home / 295,959.48-408,414.13-187,122.40

Finding the Fourth Proportional to 295,959.48, 408,414.13 and 187,122.40

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Solution

The fourth proportional to 295,959.48, 408,414.13 and 187,122.40 is: 258,222.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,959.48 : 408,414.13 = 187,122.40 : x
  2. Step 2: Convert to fraction form
    295,959.48/408,414.13 = 187,122.40/x
  3. Step 3: Cross multiply
    295,959.48x = 408,414.13 × 187,122.40
  4. Step 4: Simplify right side
    295,959.48x = 76,423,431,673.42
  5. Step 5: Solve for x
    x = 76,423,431,673.42/295,959.48
  6. Step 6: Final answer
    x = 258,222.62

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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.