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Finding the Fourth Proportional to 277,487.70, 416,063 and 108,805.93

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Solution

The fourth proportional to 277,487.70, 416,063 and 108,805.93 is: 163,142.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,487.70 : 416,063 = 108,805.93 : x
  2. Step 2: Convert to fraction form
    277,487.70/416,063 = 108,805.93/x
  3. Step 3: Cross multiply
    277,487.70x = 416,063 × 108,805.93
  4. Step 4: Simplify right side
    277,487.70x = 45,270,121,653.59
  5. Step 5: Solve for x
    x = 45,270,121,653.59/277,487.70
  6. Step 6: Final answer
    x = 163,142.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.