Home / 379,446.24-523,668.94-209,713.16

Finding the Fourth Proportional to 379,446.24, 523,668.94 and 209,713.16

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Solution

The fourth proportional to 379,446.24, 523,668.94 and 209,713.16 is: 289,422.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,446.24 : 523,668.94 = 209,713.16 : x
  2. Step 2: Convert to fraction form
    379,446.24/523,668.94 = 209,713.16/x
  3. Step 3: Cross multiply
    379,446.24x = 523,668.94 × 209,713.16
  4. Step 4: Simplify right side
    379,446.24x = 109,820,268,201.25
  5. Step 5: Solve for x
    x = 109,820,268,201.25/379,446.24
  6. Step 6: Final answer
    x = 289,422.47

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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.