Home / 410,180.60-615,386.10-199,825.40

Finding the Fourth Proportional to 410,180.60, 615,386.10 and 199,825.40

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Solution

The fourth proportional to 410,180.60, 615,386.10 and 199,825.40 is: 299,794.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,180.60 : 615,386.10 = 199,825.40 : x
  2. Step 2: Convert to fraction form
    410,180.60/615,386.10 = 199,825.40/x
  3. Step 3: Cross multiply
    410,180.60x = 615,386.10 × 199,825.40
  4. Step 4: Simplify right side
    410,180.60x = 122,969,773,586.94
  5. Step 5: Solve for x
    x = 122,969,773,586.94/410,180.60
  6. Step 6: Final answer
    x = 299,794.22

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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.