Home / 543,768.48-815,799.24-228,140.64

Finding the Fourth Proportional to 543,768.48, 815,799.24 and 228,140.64

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Solution

The fourth proportional to 543,768.48, 815,799.24 and 228,140.64 is: 342,272.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,768.48 : 815,799.24 = 228,140.64 : x
  2. Step 2: Convert to fraction form
    543,768.48/815,799.24 = 228,140.64/x
  3. Step 3: Cross multiply
    543,768.48x = 815,799.24 × 228,140.64
  4. Step 4: Simplify right side
    543,768.48x = 186,116,960,725.11
  5. Step 5: Solve for x
    x = 186,116,960,725.11/543,768.48
  6. Step 6: Final answer
    x = 342,272.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.