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Finding the Fourth Proportional to 331,804.35, 457,870.28 and 188,544.51

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Solution

The fourth proportional to 331,804.35, 457,870.28 and 188,544.51 is: 260,180.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,804.35 : 457,870.28 = 188,544.51 : x
  2. Step 2: Convert to fraction form
    331,804.35/457,870.28 = 188,544.51/x
  3. Step 3: Cross multiply
    331,804.35x = 457,870.28 × 188,544.51
  4. Step 4: Simplify right side
    331,804.35x = 86,328,926,643.44
  5. Step 5: Solve for x
    x = 86,328,926,643.44/331,804.35
  6. Step 6: Final answer
    x = 260,180.21

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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.