Home / 410,601.32-615,923.84-130,140.44

Finding the Fourth Proportional to 410,601.32, 615,923.84 and 130,140.44

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Solution

The fourth proportional to 410,601.32, 615,923.84 and 130,140.44 is: 195,217.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,601.32 : 615,923.84 = 130,140.44 : x
  2. Step 2: Convert to fraction form
    410,601.32/615,923.84 = 130,140.44/x
  3. Step 3: Cross multiply
    410,601.32x = 615,923.84 × 130,140.44
  4. Step 4: Simplify right side
    410,601.32x = 80,156,596,789.82
  5. Step 5: Solve for x
    x = 80,156,596,789.82/410,601.32
  6. Step 6: Final answer
    x = 195,217.58

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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.