Home / 259,660.40-389,490.60-245,882.30

Finding the Fourth Proportional to 259,660.40, 389,490.60 and 245,882.30

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Solution

The fourth proportional to 259,660.40, 389,490.60 and 245,882.30 is: 368,823.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,660.40 : 389,490.60 = 245,882.30 : x
  2. Step 2: Convert to fraction form
    259,660.40/389,490.60 = 245,882.30/x
  3. Step 3: Cross multiply
    259,660.40x = 389,490.60 × 245,882.30
  4. Step 4: Simplify right side
    259,660.40x = 95,768,844,556.38
  5. Step 5: Solve for x
    x = 95,768,844,556.38/259,660.40
  6. Step 6: Final answer
    x = 368,823.45

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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.