Home / 408,182.24-612,036.75-138,220.26

Finding the Fourth Proportional to 408,182.24, 612,036.75 and 138,220.26

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Solution

The fourth proportional to 408,182.24, 612,036.75 and 138,220.26 is: 207,250.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,182.24 : 612,036.75 = 138,220.26 : x
  2. Step 2: Convert to fraction form
    408,182.24/612,036.75 = 138,220.26/x
  3. Step 3: Cross multiply
    408,182.24x = 612,036.75 × 138,220.26
  4. Step 4: Simplify right side
    408,182.24x = 84,595,878,714.56
  5. Step 5: Solve for x
    x = 84,595,878,714.56/408,182.24
  6. Step 6: Final answer
    x = 207,250.27

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1.5x scale

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.