Home / 370,474.60-511,254.91-200,708.73

Finding the Fourth Proportional to 370,474.60, 511,254.91 and 200,708.73

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Solution

The fourth proportional to 370,474.60, 511,254.91 and 200,708.73 is: 276,978.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,474.60 : 511,254.91 = 200,708.73 : x
  2. Step 2: Convert to fraction form
    370,474.60/511,254.91 = 200,708.73/x
  3. Step 3: Cross multiply
    370,474.60x = 511,254.91 × 200,708.73
  4. Step 4: Simplify right side
    370,474.60x = 102,613,323,692.36
  5. Step 5: Solve for x
    x = 102,613,323,692.36/370,474.60
  6. Step 6: Final answer
    x = 276,978.03

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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.