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Finding the Fourth Proportional to 370,297.60, 511,012.56 and 200,532.40

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Solution

The fourth proportional to 370,297.60, 511,012.56 and 200,532.40 is: 276,735.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,297.60 : 511,012.56 = 200,532.40 : x
  2. Step 2: Convert to fraction form
    370,297.60/511,012.56 = 200,532.40/x
  3. Step 3: Cross multiply
    370,297.60x = 511,012.56 × 200,532.40
  4. Step 4: Simplify right side
    370,297.60x = 102,474,575,086.94
  5. Step 5: Solve for x
    x = 102,474,575,086.94/370,297.60
  6. Step 6: Final answer
    x = 276,735.73

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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.