Home / 409,825.90-565,557.28-228,540.07

Finding the Fourth Proportional to 409,825.90, 565,557.28 and 228,540.07

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Solution

The fourth proportional to 409,825.90, 565,557.28 and 228,540.07 is: 315,383.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,825.90 : 565,557.28 = 228,540.07 : x
  2. Step 2: Convert to fraction form
    409,825.90/565,557.28 = 228,540.07/x
  3. Step 3: Cross multiply
    409,825.90x = 565,557.28 × 228,540.07
  4. Step 4: Simplify right side
    409,825.90x = 129,252,500,360.21
  5. Step 5: Solve for x
    x = 129,252,500,360.21/409,825.90
  6. Step 6: Final answer
    x = 315,383.92

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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.