Home / 264,479.29-396,634.68-86,945.38

Finding the Fourth Proportional to 264,479.29, 396,634.68 and 86,945.38

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Solution

The fourth proportional to 264,479.29, 396,634.68 and 86,945.38 is: 130,390.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,479.29 : 396,634.68 = 86,945.38 : x
  2. Step 2: Convert to fraction form
    264,479.29/396,634.68 = 86,945.38/x
  3. Step 3: Cross multiply
    264,479.29x = 396,634.68 × 86,945.38
  4. Step 4: Simplify right side
    264,479.29x = 34,485,552,973.78
  5. Step 5: Solve for x
    x = 34,485,552,973.78/264,479.29
  6. Step 6: Final answer
    x = 130,390.37

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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.