Home / 370,540.16-511,521.74-248,243.12

Finding the Fourth Proportional to 370,540.16, 511,521.74 and 248,243.12

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Solution

The fourth proportional to 370,540.16, 511,521.74 and 248,243.12 is: 342,693.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,540.16 : 511,521.74 = 248,243.12 : x
  2. Step 2: Convert to fraction form
    370,540.16/511,521.74 = 248,243.12/x
  3. Step 3: Cross multiply
    370,540.16x = 511,521.74 × 248,243.12
  4. Step 4: Simplify right side
    370,540.16x = 126,981,752,685.43
  5. Step 5: Solve for x
    x = 126,981,752,685.43/370,540.16
  6. Step 6: Final answer
    x = 342,693.63

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1.5x scale

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.