Home / 370,487.02-511,268.88-200,720.74

Finding the Fourth Proportional to 370,487.02, 511,268.88 and 200,720.74

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Solution

The fourth proportional to 370,487.02, 511,268.88 and 200,720.74 is: 276,992.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,487.02 : 511,268.88 = 200,720.74 : x
  2. Step 2: Convert to fraction form
    370,487.02/511,268.88 = 200,720.74/x
  3. Step 3: Cross multiply
    370,487.02x = 511,268.88 × 200,720.74
  4. Step 4: Simplify right side
    370,487.02x = 102,622,267,932.57
  5. Step 5: Solve for x
    x = 102,622,267,932.57/370,487.02
  6. Step 6: Final answer
    x = 276,992.88

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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.