Home / 409,845.74-565,590.40-228,569.36

Finding the Fourth Proportional to 409,845.74, 565,590.40 and 228,569.36

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Solution

The fourth proportional to 409,845.74, 565,590.40 and 228,569.36 is: 315,427.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,845.74 : 565,590.40 = 228,569.36 : x
  2. Step 2: Convert to fraction form
    409,845.74/565,590.40 = 228,569.36/x
  3. Step 3: Cross multiply
    409,845.74x = 565,590.40 × 228,569.36
  4. Step 4: Simplify right side
    409,845.74x = 129,276,632,350.77
  5. Step 5: Solve for x
    x = 129,276,632,350.77/409,845.74
  6. Step 6: Final answer
    x = 315,427.54

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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.