Home / 379,261.04-523,380.24-209,495.16

Finding the Fourth Proportional to 379,261.04, 523,380.24 and 209,495.16

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Solution

The fourth proportional to 379,261.04, 523,380.24 and 209,495.16 is: 289,103.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,261.04 : 523,380.24 = 209,495.16 : x
  2. Step 2: Convert to fraction form
    379,261.04/523,380.24 = 209,495.16/x
  3. Step 3: Cross multiply
    379,261.04x = 523,380.24 × 209,495.16
  4. Step 4: Simplify right side
    379,261.04x = 109,645,627,119.64
  5. Step 5: Solve for x
    x = 109,645,627,119.64/379,261.04
  6. Step 6: Final answer
    x = 289,103.33

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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.