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Finding the Fourth Proportional to 370,445.30, 511,214.49 and 200,679.42

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Solution

The fourth proportional to 370,445.30, 511,214.49 and 200,679.42 is: 276,937.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,445.30 : 511,214.49 = 200,679.42 : x
  2. Step 2: Convert to fraction form
    370,445.30/511,214.49 = 200,679.42/x
  3. Step 3: Cross multiply
    370,445.30x = 511,214.49 × 200,679.42
  4. Step 4: Simplify right side
    370,445.30x = 102,590,229,265.85
  5. Step 5: Solve for x
    x = 102,590,229,265.85/370,445.30
  6. Step 6: Final answer
    x = 276,937.59

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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.