Home / 409,975.20-565,766.63-228,682.45

Finding the Fourth Proportional to 409,975.20, 565,766.63 and 228,682.45

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Solution

The fourth proportional to 409,975.20, 565,766.63 and 228,682.45 is: 315,582.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,975.20 : 565,766.63 = 228,682.45 : x
  2. Step 2: Convert to fraction form
    409,975.20/565,766.63 = 228,682.45/x
  3. Step 3: Cross multiply
    409,975.20x = 565,766.63 × 228,682.45
  4. Step 4: Simplify right side
    409,975.20x = 129,380,898,233.93
  5. Step 5: Solve for x
    x = 129,380,898,233.93/409,975.20
  6. Step 6: Final answer
    x = 315,582.26

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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.