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Finding the Fourth Proportional to 409,850.20, 565,596.48 and 228,573.64

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Solution

The fourth proportional to 409,850.20, 565,596.48 and 228,573.64 is: 315,433.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,850.20 : 565,596.48 = 228,573.64 : x
  2. Step 2: Convert to fraction form
    409,850.20/565,596.48 = 228,573.64/x
  3. Step 3: Cross multiply
    409,850.20x = 565,596.48 × 228,573.64
  4. Step 4: Simplify right side
    409,850.20x = 129,280,446,204.79
  5. Step 5: Solve for x
    x = 129,280,446,204.79/409,850.20
  6. Step 6: Final answer
    x = 315,433.41

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1.5x scale

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.