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Finding the Fourth Proportional to 370,481.29, 511,264.73 and 200,715.42

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Solution

The fourth proportional to 370,481.29, 511,264.73 and 200,715.42 is: 276,987.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,481.29 : 511,264.73 = 200,715.42 : x
  2. Step 2: Convert to fraction form
    370,481.29/511,264.73 = 200,715.42/x
  3. Step 3: Cross multiply
    370,481.29x = 511,264.73 × 200,715.42
  4. Step 4: Simplify right side
    370,481.29x = 102,618,715,013.14
  5. Step 5: Solve for x
    x = 102,618,715,013.14/370,481.29
  6. Step 6: Final answer
    x = 276,987.58

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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.