Home / 379,255.05-523,373.74-207,175.41

Finding the Fourth Proportional to 379,255.05, 523,373.74 and 207,175.41

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Solution

The fourth proportional to 379,255.05, 523,373.74 and 207,175.41 is: 285,903.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,255.05 : 523,373.74 = 207,175.41 : x
  2. Step 2: Convert to fraction form
    379,255.05/523,373.74 = 207,175.41/x
  3. Step 3: Cross multiply
    379,255.05x = 523,373.74 × 207,175.41
  4. Step 4: Simplify right side
    379,255.05x = 108,430,168,649.80
  5. Step 5: Solve for x
    x = 108,430,168,649.80/379,255.05
  6. Step 6: Final answer
    x = 285,903.03

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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.