Home / 264,426.26-396,688.59-86,940.27

Finding the Fourth Proportional to 264,426.26, 396,688.59 and 86,940.27

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Solution

The fourth proportional to 264,426.26, 396,688.59 and 86,940.27 is: 130,426.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,426.26 : 396,688.59 = 86,940.27 : x
  2. Step 2: Convert to fraction form
    264,426.26/396,688.59 = 86,940.27/x
  3. Step 3: Cross multiply
    264,426.26x = 396,688.59 × 86,940.27
  4. Step 4: Simplify right side
    264,426.26x = 34,488,213,120.52
  5. Step 5: Solve for x
    x = 34,488,213,120.52/264,426.26
  6. Step 6: Final answer
    x = 130,426.58

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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.