Home / 259,579.75-358,220.07-140,347.75

Finding the Fourth Proportional to 259,579.75, 358,220.07 and 140,347.75

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Solution

The fourth proportional to 259,579.75, 358,220.07 and 140,347.75 is: 193,679.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,579.75 : 358,220.07 = 140,347.75 : x
  2. Step 2: Convert to fraction form
    259,579.75/358,220.07 = 140,347.75/x
  3. Step 3: Cross multiply
    259,579.75x = 358,220.07 × 140,347.75
  4. Step 4: Simplify right side
    259,579.75x = 50,275,380,829.34
  5. Step 5: Solve for x
    x = 50,275,380,829.34/259,579.75
  6. Step 6: Final answer
    x = 193,679.90

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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.