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Finding the Fourth Proportional to 255,768.23, 352,952.44 and 141,046.82

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Solution

The fourth proportional to 255,768.23, 352,952.44 and 141,046.82 is: 194,640.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,768.23 : 352,952.44 = 141,046.82 : x
  2. Step 2: Convert to fraction form
    255,768.23/352,952.44 = 141,046.82/x
  3. Step 3: Cross multiply
    255,768.23x = 352,952.44 × 141,046.82
  4. Step 4: Simplify right side
    255,768.23x = 49,782,818,479.43
  5. Step 5: Solve for x
    x = 49,782,818,479.43/255,768.23
  6. Step 6: Final answer
    x = 194,640.35

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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.