Home / 259,439.12-357,889.84-211,095.03

Finding the Fourth Proportional to 259,439.12, 357,889.84 and 211,095.03

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Solution

The fourth proportional to 259,439.12, 357,889.84 and 211,095.03 is: 291,200.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,439.12 : 357,889.84 = 211,095.03 : x
  2. Step 2: Convert to fraction form
    259,439.12/357,889.84 = 211,095.03/x
  3. Step 3: Cross multiply
    259,439.12x = 357,889.84 × 211,095.03
  4. Step 4: Simplify right side
    259,439.12x = 75,548,766,500.12
  5. Step 5: Solve for x
    x = 75,548,766,500.12/259,439.12
  6. Step 6: Final answer
    x = 291,200.37

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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.