Home / 543,823.38-815,851.80-228,098.34

Finding the Fourth Proportional to 543,823.38, 815,851.80 and 228,098.34

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Solution

The fourth proportional to 543,823.38, 815,851.80 and 228,098.34 is: 342,196.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,823.38 : 815,851.80 = 228,098.34 : x
  2. Step 2: Convert to fraction form
    543,823.38/815,851.80 = 228,098.34/x
  3. Step 3: Cross multiply
    543,823.38x = 815,851.80 × 228,098.34
  4. Step 4: Simplify right side
    543,823.38x = 186,094,441,266.01
  5. Step 5: Solve for x
    x = 186,094,441,266.01/543,823.38
  6. Step 6: Final answer
    x = 342,196.47

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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.