Home / 375,736.11-518,460.45-228,485.85

Finding the Fourth Proportional to 375,736.11, 518,460.45 and 228,485.85

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Solution

The fourth proportional to 375,736.11, 518,460.45 and 228,485.85 is: 315,276.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,736.11 : 518,460.45 = 228,485.85 : x
  2. Step 2: Convert to fraction form
    375,736.11/518,460.45 = 228,485.85/x
  3. Step 3: Cross multiply
    375,736.11x = 518,460.45 × 228,485.85
  4. Step 4: Simplify right side
    375,736.11x = 118,460,876,609.63
  5. Step 5: Solve for x
    x = 118,460,876,609.63/375,736.11
  6. Step 6: Final answer
    x = 315,276.80

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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.