Home / 331,723.84-457,761.62-188,464

Finding the Fourth Proportional to 331,723.84, 457,761.62 and 188,464

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Solution

The fourth proportional to 331,723.84, 457,761.62 and 188,464 is: 260,070.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,723.84 : 457,761.62 = 188,464 : x
  2. Step 2: Convert to fraction form
    331,723.84/457,761.62 = 188,464/x
  3. Step 3: Cross multiply
    331,723.84x = 457,761.62 × 188,464
  4. Step 4: Simplify right side
    331,723.84x = 86,271,585,951.68
  5. Step 5: Solve for x
    x = 86,271,585,951.68/331,723.84
  6. Step 6: Final answer
    x = 260,070.50

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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.