Home / 400,231.02-552,331.96-228,145.91

Finding the Fourth Proportional to 400,231.02, 552,331.96 and 228,145.91

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Solution

The fourth proportional to 400,231.02, 552,331.96 and 228,145.91 is: 314,848.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,231.02 : 552,331.96 = 228,145.91 : x
  2. Step 2: Convert to fraction form
    400,231.02/552,331.96 = 228,145.91/x
  3. Step 3: Cross multiply
    400,231.02x = 552,331.96 × 228,145.91
  4. Step 4: Simplify right side
    400,231.02x = 126,012,275,114.72
  5. Step 5: Solve for x
    x = 126,012,275,114.72/400,231.02
  6. Step 6: Final answer
    x = 314,848.85

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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.