Home / 400,623.71-552,891.41-228,545.47

Finding the Fourth Proportional to 400,623.71, 552,891.41 and 228,545.47

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Solution

The fourth proportional to 400,623.71, 552,891.41 and 228,545.47 is: 315,410.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,623.71 : 552,891.41 = 228,545.47 : x
  2. Step 2: Convert to fraction form
    400,623.71/552,891.41 = 228,545.47/x
  3. Step 3: Cross multiply
    400,623.71x = 552,891.41 × 228,545.47
  4. Step 4: Simplify right side
    400,623.71x = 126,360,827,157.41
  5. Step 5: Solve for x
    x = 126,360,827,157.41/400,623.71
  6. Step 6: Final answer
    x = 315,410.26

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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.