Home / 370,486.52-511,268.19-200,720.24

Finding the Fourth Proportional to 370,486.52, 511,268.19 and 200,720.24

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Solution

The fourth proportional to 370,486.52, 511,268.19 and 200,720.24 is: 276,992.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,486.52 : 511,268.19 = 200,720.24 : x
  2. Step 2: Convert to fraction form
    370,486.52/511,268.19 = 200,720.24/x
  3. Step 3: Cross multiply
    370,486.52x = 511,268.19 × 200,720.24
  4. Step 4: Simplify right side
    370,486.52x = 102,621,873,801.17
  5. Step 5: Solve for x
    x = 102,621,873,801.17/370,486.52
  6. Step 6: Final answer
    x = 276,992.19

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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.