Home / 409,837.48-565,578.15-228,560.86

Finding the Fourth Proportional to 409,837.48, 565,578.15 and 228,560.86

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Solution

The fourth proportional to 409,837.48, 565,578.15 and 228,560.86 is: 315,415.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,837.48 : 565,578.15 = 228,560.86 : x
  2. Step 2: Convert to fraction form
    409,837.48/565,578.15 = 228,560.86/x
  3. Step 3: Cross multiply
    409,837.48x = 565,578.15 × 228,560.86
  4. Step 4: Simplify right side
    409,837.48x = 129,269,028,361.21
  5. Step 5: Solve for x
    x = 129,269,028,361.21/409,837.48
  6. Step 6: Final answer
    x = 315,415.34

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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.