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Finding the Fourth Proportional to 370,680.48, 511,540.92 and 200,913.12

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Solution

The fourth proportional to 370,680.48, 511,540.92 and 200,913.12 is: 277,261.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,680.48 : 511,540.92 = 200,913.12 : x
  2. Step 2: Convert to fraction form
    370,680.48/511,540.92 = 200,913.12/x
  3. Step 3: Cross multiply
    370,680.48x = 511,540.92 × 200,913.12
  4. Step 4: Simplify right side
    370,680.48x = 102,775,282,244.87
  5. Step 5: Solve for x
    x = 102,775,282,244.87/370,680.48
  6. Step 6: Final answer
    x = 277,261.11

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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.