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Finding the Fourth Proportional to 254,592, 381,888 and 88,380

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Solution

The fourth proportional to 254,592, 381,888 and 88,380 is: 132,570

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,592 : 381,888 = 88,380 : x
  2. Step 2: Convert to fraction form
    254,592/381,888 = 88,380/x
  3. Step 3: Cross multiply
    254,592x = 381,888 × 88,380
  4. Step 4: Simplify right side
    254,592x = 33,751,261,440
  5. Step 5: Solve for x
    x = 33,751,261,440/254,592
  6. Step 6: Final answer
    x = 132,570

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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.