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Finding the Fourth Proportional to 254,334, 381,569.04 and 88,122

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Solution

The fourth proportional to 254,334, 381,569.04 and 88,122 is: 132,206.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,334 : 381,569.04 = 88,122 : x
  2. Step 2: Convert to fraction form
    254,334/381,569.04 = 88,122/x
  3. Step 3: Cross multiply
    254,334x = 381,569.04 × 88,122
  4. Step 4: Simplify right side
    254,334x = 33,624,626,942.88
  5. Step 5: Solve for x
    x = 33,624,626,942.88/254,334
  6. Step 6: Final answer
    x = 132,206.57

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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.