Home / 259,418.33-357,861.12-211,074.30

Finding the Fourth Proportional to 259,418.33, 357,861.12 and 211,074.30

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Solution

The fourth proportional to 259,418.33, 357,861.12 and 211,074.30 is: 291,171.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,418.33 : 357,861.12 = 211,074.30 : x
  2. Step 2: Convert to fraction form
    259,418.33/357,861.12 = 211,074.30/x
  3. Step 3: Cross multiply
    259,418.33x = 357,861.12 × 211,074.30
  4. Step 4: Simplify right side
    259,418.33x = 75,535,285,401.22
  5. Step 5: Solve for x
    x = 75,535,285,401.22/259,418.33
  6. Step 6: Final answer
    x = 291,171.74

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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.