Home / 331,322.85-457,227.72-188,085.29

Finding the Fourth Proportional to 331,322.85, 457,227.72 and 188,085.29

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Solution

The fourth proportional to 331,322.85, 457,227.72 and 188,085.29 is: 259,558.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,322.85 : 457,227.72 = 188,085.29 : x
  2. Step 2: Convert to fraction form
    331,322.85/457,227.72 = 188,085.29/x
  3. Step 3: Cross multiply
    331,322.85x = 457,227.72 × 188,085.29
  4. Step 4: Simplify right side
    331,322.85x = 85,997,806,026.10
  5. Step 5: Solve for x
    x = 85,997,806,026.10/331,322.85
  6. Step 6: Final answer
    x = 259,558.93

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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.