Home / 320,540.36-442,332.18-177,291.24

Finding the Fourth Proportional to 320,540.36, 442,332.18 and 177,291.24

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Solution

The fourth proportional to 320,540.36, 442,332.18 and 177,291.24 is: 244,654.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,540.36 : 442,332.18 = 177,291.24 : x
  2. Step 2: Convert to fraction form
    320,540.36/442,332.18 = 177,291.24/x
  3. Step 3: Cross multiply
    320,540.36x = 442,332.18 × 177,291.24
  4. Step 4: Simplify right side
    320,540.36x = 78,421,620,684.10
  5. Step 5: Solve for x
    x = 78,421,620,684.10/320,540.36
  6. Step 6: Final answer
    x = 244,654.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.