Home / 379,085.72-568,956.09-154,569.92

Finding the Fourth Proportional to 379,085.72, 568,956.09 and 154,569.92

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Solution

The fourth proportional to 379,085.72, 568,956.09 and 154,569.92 is: 231,988.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,085.72 : 568,956.09 = 154,569.92 : x
  2. Step 2: Convert to fraction form
    379,085.72/568,956.09 = 154,569.92/x
  3. Step 3: Cross multiply
    379,085.72x = 568,956.09 × 154,569.92
  4. Step 4: Simplify right side
    379,085.72x = 87,943,497,314.81
  5. Step 5: Solve for x
    x = 87,943,497,314.81/379,085.72
  6. Step 6: Final answer
    x = 231,988.42

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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.