Home / 409,565.03-565,202.37-228,288.46

Finding the Fourth Proportional to 409,565.03, 565,202.37 and 228,288.46

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Solution

The fourth proportional to 409,565.03, 565,202.37 and 228,288.46 is: 315,039.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,565.03 : 565,202.37 = 228,288.46 : x
  2. Step 2: Convert to fraction form
    409,565.03/565,202.37 = 228,288.46/x
  3. Step 3: Cross multiply
    409,565.03x = 565,202.37 × 228,288.46
  4. Step 4: Simplify right side
    409,565.03x = 129,029,179,138.48
  5. Step 5: Solve for x
    x = 129,029,179,138.48/409,565.03
  6. Step 6: Final answer
    x = 315,039.54

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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.