Home / 379,024.47-568,043.55-154,122.66

Finding the Fourth Proportional to 379,024.47, 568,043.55 and 154,122.66

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Solution

The fourth proportional to 379,024.47, 568,043.55 and 154,122.66 is: 230,983.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,024.47 : 568,043.55 = 154,122.66 : x
  2. Step 2: Convert to fraction form
    379,024.47/568,043.55 = 154,122.66/x
  3. Step 3: Cross multiply
    379,024.47x = 568,043.55 × 154,122.66
  4. Step 4: Simplify right side
    379,024.47x = 87,548,382,921.84
  5. Step 5: Solve for x
    x = 87,548,382,921.84/379,024.47
  6. Step 6: Final answer
    x = 230,983.46

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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.