Home / 379,343.59-523,488.03-207,257.85

Finding the Fourth Proportional to 379,343.59, 523,488.03 and 207,257.85

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Solution

The fourth proportional to 379,343.59, 523,488.03 and 207,257.85 is: 286,012.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,343.59 : 523,488.03 = 207,257.85 : x
  2. Step 2: Convert to fraction form
    379,343.59/523,488.03 = 207,257.85/x
  3. Step 3: Cross multiply
    379,343.59x = 523,488.03 × 207,257.85
  4. Step 4: Simplify right side
    379,343.59x = 108,497,003,598.54
  5. Step 5: Solve for x
    x = 108,497,003,598.54/379,343.59
  6. Step 6: Final answer
    x = 286,012.49

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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.