Home / 400,246.12-552,285.54-228,186.28

Finding the Fourth Proportional to 400,246.12, 552,285.54 and 228,186.28

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Solution

The fourth proportional to 400,246.12, 552,285.54 and 228,186.28 is: 314,866.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,246.12 : 552,285.54 = 228,186.28 : x
  2. Step 2: Convert to fraction form
    400,246.12/552,285.54 = 228,186.28/x
  3. Step 3: Cross multiply
    400,246.12x = 552,285.54 × 228,186.28
  4. Step 4: Simplify right side
    400,246.12x = 126,023,982,870.39
  5. Step 5: Solve for x
    x = 126,023,982,870.39/400,246.12
  6. Step 6: Final answer
    x = 314,866.22

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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.