Home / 400,230.77-552,331.61-228,145.66

Finding the Fourth Proportional to 400,230.77, 552,331.61 and 228,145.66

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Solution

The fourth proportional to 400,230.77, 552,331.61 and 228,145.66 is: 314,848.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,230.77 : 552,331.61 = 228,145.66 : x
  2. Step 2: Convert to fraction form
    400,230.77/552,331.61 = 228,145.66/x
  3. Step 3: Cross multiply
    400,230.77x = 552,331.61 × 228,145.66
  4. Step 4: Simplify right side
    400,230.77x = 126,012,058,036.30
  5. Step 5: Solve for x
    x = 126,012,058,036.30/400,230.77
  6. Step 6: Final answer
    x = 314,848.51

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1.5x scale

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.