Home / 370,448.20-511,218.42-200,682.28

Finding the Fourth Proportional to 370,448.20, 511,218.42 and 200,682.28

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Solution

The fourth proportional to 370,448.20, 511,218.42 and 200,682.28 is: 276,941.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,448.20 : 511,218.42 = 200,682.28 : x
  2. Step 2: Convert to fraction form
    370,448.20/511,218.42 = 200,682.28/x
  3. Step 3: Cross multiply
    370,448.20x = 511,218.42 × 200,682.28
  4. Step 4: Simplify right side
    370,448.20x = 102,592,478,103.60
  5. Step 5: Solve for x
    x = 102,592,478,103.60/370,448.20
  6. Step 6: Final answer
    x = 276,941.49

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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.