Home / 331,260.85-457,142.16-188,023.29

Finding the Fourth Proportional to 331,260.85, 457,142.16 and 188,023.29

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Solution

The fourth proportional to 331,260.85, 457,142.16 and 188,023.29 is: 259,473.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,260.85 : 457,142.16 = 188,023.29 : x
  2. Step 2: Convert to fraction form
    331,260.85/457,142.16 = 188,023.29/x
  3. Step 3: Cross multiply
    331,260.85x = 457,142.16 × 188,023.29
  4. Step 4: Simplify right side
    331,260.85x = 85,953,372,920.91
  5. Step 5: Solve for x
    x = 85,953,372,920.91/331,260.85
  6. Step 6: Final answer
    x = 259,473.38

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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.