Home / 379,285.49-568,926.18-154,645.05

Finding the Fourth Proportional to 379,285.49, 568,926.18 and 154,645.05

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Solution

The fourth proportional to 379,285.49, 568,926.18 and 154,645.05 is: 231,966.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,285.49 : 568,926.18 = 154,645.05 : x
  2. Step 2: Convert to fraction form
    379,285.49/568,926.18 = 154,645.05/x
  3. Step 3: Cross multiply
    379,285.49x = 568,926.18 × 154,645.05
  4. Step 4: Simplify right side
    379,285.49x = 87,981,616,485.67
  5. Step 5: Solve for x
    x = 87,981,616,485.67/379,285.49
  6. Step 6: Final answer
    x = 231,966.74

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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.