Home / 402,846.10-555,791.38-228,397.54

Finding the Fourth Proportional to 402,846.10, 555,791.38 and 228,397.54

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Solution

The fourth proportional to 402,846.10, 555,791.38 and 228,397.54 is: 315,111.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,846.10 : 555,791.38 = 228,397.54 : x
  2. Step 2: Convert to fraction form
    402,846.10/555,791.38 = 228,397.54/x
  3. Step 3: Cross multiply
    402,846.10x = 555,791.38 × 228,397.54
  4. Step 4: Simplify right side
    402,846.10x = 126,941,383,945.21
  5. Step 5: Solve for x
    x = 126,941,383,945.21/402,846.10
  6. Step 6: Final answer
    x = 315,111.36

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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.