Home / 379,119.45-568,521.08-154,327.29

Finding the Fourth Proportional to 379,119.45, 568,521.08 and 154,327.29

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Solution

The fourth proportional to 379,119.45, 568,521.08 and 154,327.29 is: 231,426.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,119.45 : 568,521.08 = 154,327.29 : x
  2. Step 2: Convert to fraction form
    379,119.45/568,521.08 = 154,327.29/x
  3. Step 3: Cross multiply
    379,119.45x = 568,521.08 × 154,327.29
  4. Step 4: Simplify right side
    379,119.45x = 87,738,316,812.64
  5. Step 5: Solve for x
    x = 87,738,316,812.64/379,119.45
  6. Step 6: Final answer
    x = 231,426.58

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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.