Home / 410,557.79-615,829.39-130,067.75

Finding the Fourth Proportional to 410,557.79, 615,829.39 and 130,067.75

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Solution

The fourth proportional to 410,557.79, 615,829.39 and 130,067.75 is: 195,099.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,557.79 : 615,829.39 = 130,067.75 : x
  2. Step 2: Convert to fraction form
    410,557.79/615,829.39 = 130,067.75/x
  3. Step 3: Cross multiply
    410,557.79x = 615,829.39 × 130,067.75
  4. Step 4: Simplify right side
    410,557.79x = 80,099,543,141.17
  5. Step 5: Solve for x
    x = 80,099,543,141.17/410,557.79
  6. Step 6: Final answer
    x = 195,099.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.