Home / 331,376.28-457,282.98-188,117.52

Finding the Fourth Proportional to 331,376.28, 457,282.98 and 188,117.52

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Solution

The fourth proportional to 331,376.28, 457,282.98 and 188,117.52 is: 259,592.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,376.28 : 457,282.98 = 188,117.52 : x
  2. Step 2: Convert to fraction form
    331,376.28/457,282.98 = 188,117.52/x
  3. Step 3: Cross multiply
    331,376.28x = 457,282.98 × 188,117.52
  4. Step 4: Simplify right side
    331,376.28x = 86,022,940,135.81
  5. Step 5: Solve for x
    x = 86,022,940,135.81/331,376.28
  6. Step 6: Final answer
    x = 259,592.93

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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.