Home / 370,685.28-511,546.44-200,919.52

Finding the Fourth Proportional to 370,685.28, 511,546.44 and 200,919.52

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Solution

The fourth proportional to 370,685.28, 511,546.44 and 200,919.52 is: 277,269.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,685.28 : 511,546.44 = 200,919.52 : x
  2. Step 2: Convert to fraction form
    370,685.28/511,546.44 = 200,919.52/x
  3. Step 3: Cross multiply
    370,685.28x = 511,546.44 × 200,919.52
  4. Step 4: Simplify right side
    370,685.28x = 102,779,665,182.51
  5. Step 5: Solve for x
    x = 102,779,665,182.51/370,685.28
  6. Step 6: Final answer
    x = 277,269.35

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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.