Home / 400,256.30-552,293.40-228,189.22

Finding the Fourth Proportional to 400,256.30, 552,293.40 and 228,189.22

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Solution

The fourth proportional to 400,256.30, 552,293.40 and 228,189.22 is: 314,866.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,256.30 : 552,293.40 = 228,189.22 : x
  2. Step 2: Convert to fraction form
    400,256.30/552,293.40 = 228,189.22/x
  3. Step 3: Cross multiply
    400,256.30x = 552,293.40 × 228,189.22
  4. Step 4: Simplify right side
    400,256.30x = 126,027,399,632.12
  5. Step 5: Solve for x
    x = 126,027,399,632.12/400,256.30
  6. Step 6: Final answer
    x = 314,866.75

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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.