Home / 259,292.82-389,302.20-133,022.13

Finding the Fourth Proportional to 259,292.82, 389,302.20 and 133,022.13

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Solution

The fourth proportional to 259,292.82, 389,302.20 and 133,022.13 is: 199,719.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,292.82 : 389,302.20 = 133,022.13 : x
  2. Step 2: Convert to fraction form
    259,292.82/389,302.20 = 133,022.13/x
  3. Step 3: Cross multiply
    259,292.82x = 389,302.20 × 133,022.13
  4. Step 4: Simplify right side
    259,292.82x = 51,785,807,857.69
  5. Step 5: Solve for x
    x = 51,785,807,857.69/259,292.82
  6. Step 6: Final answer
    x = 199,719.41

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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.