Home / 204,983.16-307,911.78-192,998.40

Finding the Fourth Proportional to 204,983.16, 307,911.78 and 192,998.40

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Solution

The fourth proportional to 204,983.16, 307,911.78 and 192,998.40 is: 289,909.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,983.16 : 307,911.78 = 192,998.40 : x
  2. Step 2: Convert to fraction form
    204,983.16/307,911.78 = 192,998.40/x
  3. Step 3: Cross multiply
    204,983.16x = 307,911.78 × 192,998.40
  4. Step 4: Simplify right side
    204,983.16x = 59,426,480,881.15
  5. Step 5: Solve for x
    x = 59,426,480,881.15/204,983.16
  6. Step 6: Final answer
    x = 289,909.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.