Home / 259,511.24-389,233.46-82,036.20

Finding the Fourth Proportional to 259,511.24, 389,233.46 and 82,036.20

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Solution

The fourth proportional to 259,511.24, 389,233.46 and 82,036.20 is: 123,043.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,511.24 : 389,233.46 = 82,036.20 : x
  2. Step 2: Convert to fraction form
    259,511.24/389,233.46 = 82,036.20/x
  3. Step 3: Cross multiply
    259,511.24x = 389,233.46 × 82,036.20
  4. Step 4: Simplify right side
    259,511.24x = 31,931,233,971.25
  5. Step 5: Solve for x
    x = 31,931,233,971.25/259,511.24
  6. Step 6: Final answer
    x = 123,043.74

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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.