Home / 275,192.05-379,768.21-152,686.73

Finding the Fourth Proportional to 275,192.05, 379,768.21 and 152,686.73

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Solution

The fourth proportional to 275,192.05, 379,768.21 and 152,686.73 is: 210,709.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,192.05 : 379,768.21 = 152,686.73 : x
  2. Step 2: Convert to fraction form
    275,192.05/379,768.21 = 152,686.73/x
  3. Step 3: Cross multiply
    275,192.05x = 379,768.21 × 152,686.73
  4. Step 4: Simplify right side
    275,192.05x = 57,985,566,710.56
  5. Step 5: Solve for x
    x = 57,985,566,710.56/275,192.05
  6. Step 6: Final answer
    x = 210,709.46

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1.5x scale

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.