Home / 400,814.43-552,986.61-228,608.01

Finding the Fourth Proportional to 400,814.43, 552,986.61 and 228,608.01

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Solution

The fourth proportional to 400,814.43, 552,986.61 and 228,608.01 is: 315,400.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,814.43 : 552,986.61 = 228,608.01 : x
  2. Step 2: Convert to fraction form
    400,814.43/552,986.61 = 228,608.01/x
  3. Step 3: Cross multiply
    400,814.43x = 552,986.61 × 228,608.01
  4. Step 4: Simplify right side
    400,814.43x = 126,417,168,468.75
  5. Step 5: Solve for x
    x = 126,417,168,468.75/400,814.43
  6. Step 6: Final answer
    x = 315,400.74

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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.