Home / 370,401.16-511,154.31-200,635.42

Finding the Fourth Proportional to 370,401.16, 511,154.31 and 200,635.42

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Solution

The fourth proportional to 370,401.16, 511,154.31 and 200,635.42 is: 276,877.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,401.16 : 511,154.31 = 200,635.42 : x
  2. Step 2: Convert to fraction form
    370,401.16/511,154.31 = 200,635.42/x
  3. Step 3: Cross multiply
    370,401.16x = 511,154.31 × 200,635.42
  4. Step 4: Simplify right side
    370,401.16x = 102,555,659,671.66
  5. Step 5: Solve for x
    x = 102,555,659,671.66/370,401.16
  6. Step 6: Final answer
    x = 276,877.26

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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.