Home / 331,820.11-457,950.64-188,601.69

Finding the Fourth Proportional to 331,820.11, 457,950.64 and 188,601.69

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Solution

The fourth proportional to 331,820.11, 457,950.64 and 188,601.69 is: 260,292.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,820.11 : 457,950.64 = 188,601.69 : x
  2. Step 2: Convert to fraction form
    331,820.11/457,950.64 = 188,601.69/x
  3. Step 3: Cross multiply
    331,820.11x = 457,950.64 × 188,601.69
  4. Step 4: Simplify right side
    331,820.11x = 86,370,264,640.58
  5. Step 5: Solve for x
    x = 86,370,264,640.58/331,820.11
  6. Step 6: Final answer
    x = 260,292.44

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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.