Home / 379,024.62-523,052.49-209,257.53

Finding the Fourth Proportional to 379,024.62, 523,052.49 and 209,257.53

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Solution

The fourth proportional to 379,024.62, 523,052.49 and 209,257.53 is: 288,774.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,024.62 : 523,052.49 = 209,257.53 : x
  2. Step 2: Convert to fraction form
    379,024.62/523,052.49 = 209,257.53/x
  3. Step 3: Cross multiply
    379,024.62x = 523,052.49 × 209,257.53
  4. Step 4: Simplify right side
    379,024.62x = 109,452,672,117.75
  5. Step 5: Solve for x
    x = 109,452,672,117.75/379,024.62
  6. Step 6: Final answer
    x = 288,774.57

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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.