Home / 379,086.93-523,126.23-209,317.41

Finding the Fourth Proportional to 379,086.93, 523,126.23 and 209,317.41

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Solution

The fourth proportional to 379,086.93, 523,126.23 and 209,317.41 is: 288,850.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,086.93 : 523,126.23 = 209,317.41 : x
  2. Step 2: Convert to fraction form
    379,086.93/523,126.23 = 209,317.41/x
  3. Step 3: Cross multiply
    379,086.93x = 523,126.23 × 209,317.41
  4. Step 4: Simplify right side
    379,086.93x = 109,499,427,566.66
  5. Step 5: Solve for x
    x = 109,499,427,566.66/379,086.93
  6. Step 6: Final answer
    x = 288,850.44

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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.