Home / 255,884.43-384,159.26-196,761.62

Finding the Fourth Proportional to 255,884.43, 384,159.26 and 196,761.62

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Solution

The fourth proportional to 255,884.43, 384,159.26 and 196,761.62 is: 295,398.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,884.43 : 384,159.26 = 196,761.62 : x
  2. Step 2: Convert to fraction form
    255,884.43/384,159.26 = 196,761.62/x
  3. Step 3: Cross multiply
    255,884.43x = 384,159.26 × 196,761.62
  4. Step 4: Simplify right side
    255,884.43x = 75,587,798,681.12
  5. Step 5: Solve for x
    x = 75,587,798,681.12/255,884.43
  6. Step 6: Final answer
    x = 295,398.19

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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.