Home / 409,917.92-565,687.58-228,625.18

Finding the Fourth Proportional to 409,917.92, 565,687.58 and 228,625.18

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Solution

The fourth proportional to 409,917.92, 565,687.58 and 228,625.18 is: 315,503.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,917.92 : 565,687.58 = 228,625.18 : x
  2. Step 2: Convert to fraction form
    409,917.92/565,687.58 = 228,625.18/x
  3. Step 3: Cross multiply
    409,917.92x = 565,687.58 × 228,625.18
  4. Step 4: Simplify right side
    409,917.92x = 129,330,426,711.93
  5. Step 5: Solve for x
    x = 129,330,426,711.93/409,917.92
  6. Step 6: Final answer
    x = 315,503.23

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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.