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Finding the Fourth Proportional to 331,562.64, 457,556.49 and 180,659.64

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Solution

The fourth proportional to 331,562.64, 457,556.49 and 180,659.64 is: 249,310.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,562.64 : 457,556.49 = 180,659.64 : x
  2. Step 2: Convert to fraction form
    331,562.64/457,556.49 = 180,659.64/x
  3. Step 3: Cross multiply
    331,562.64x = 457,556.49 × 180,659.64
  4. Step 4: Simplify right side
    331,562.64x = 82,661,990,763.06
  5. Step 5: Solve for x
    x = 82,661,990,763.06/331,562.64
  6. Step 6: Final answer
    x = 249,310.33

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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.