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Finding the Fourth Proportional to 201,282.27, 277,763.90 and 110,638.41

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Solution

The fourth proportional to 201,282.27, 277,763.90 and 110,638.41 is: 152,677.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,282.27 : 277,763.90 = 110,638.41 : x
  2. Step 2: Convert to fraction form
    201,282.27/277,763.90 = 110,638.41/x
  3. Step 3: Cross multiply
    201,282.27x = 277,763.90 × 110,638.41
  4. Step 4: Simplify right side
    201,282.27x = 30,731,355,698.21
  5. Step 5: Solve for x
    x = 30,731,355,698.21/201,282.27
  6. Step 6: Final answer
    x = 152,677.91

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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.