Home / 261,308.20-360,632.10-153,912.04

Finding the Fourth Proportional to 261,308.20, 360,632.10 and 153,912.04

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Solution

The fourth proportional to 261,308.20, 360,632.10 and 153,912.04 is: 212,414.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,308.20 : 360,632.10 = 153,912.04 : x
  2. Step 2: Convert to fraction form
    261,308.20/360,632.10 = 153,912.04/x
  3. Step 3: Cross multiply
    261,308.20x = 360,632.10 × 153,912.04
  4. Step 4: Simplify right side
    261,308.20x = 55,505,622,200.48
  5. Step 5: Solve for x
    x = 55,505,622,200.48/261,308.20
  6. Step 6: Final answer
    x = 212,414.39

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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.