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Finding the Fourth Proportional to 370,511.30, 511,306.08 and 200,745.29

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Solution

The fourth proportional to 370,511.30, 511,306.08 and 200,745.29 is: 277,028.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,511.30 : 511,306.08 = 200,745.29 : x
  2. Step 2: Convert to fraction form
    370,511.30/511,306.08 = 200,745.29/x
  3. Step 3: Cross multiply
    370,511.30x = 511,306.08 × 200,745.29
  4. Step 4: Simplify right side
    370,511.30x = 102,642,287,308.36
  5. Step 5: Solve for x
    x = 102,642,287,308.36/370,511.30
  6. Step 6: Final answer
    x = 277,028.76

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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.