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Finding the Fourth Proportional to 275,089.97, 412,636.37 and 125,225.45

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Solution

The fourth proportional to 275,089.97, 412,636.37 and 125,225.45 is: 187,838.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,089.97 : 412,636.37 = 125,225.45 : x
  2. Step 2: Convert to fraction form
    275,089.97/412,636.37 = 125,225.45/x
  3. Step 3: Cross multiply
    275,089.97x = 412,636.37 × 125,225.45
  4. Step 4: Simplify right side
    275,089.97x = 51,672,575,119.62
  5. Step 5: Solve for x
    x = 51,672,575,119.62/275,089.97
  6. Step 6: Final answer
    x = 187,838.82

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1.5x scale

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.