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Finding the Fourth Proportional to 543,510.69, 815,072.04 and 223,569.06

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Solution

The fourth proportional to 543,510.69, 815,072.04 and 223,569.06 is: 335,273.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,510.69 : 815,072.04 = 223,569.06 : x
  2. Step 2: Convert to fraction form
    543,510.69/815,072.04 = 223,569.06/x
  3. Step 3: Cross multiply
    543,510.69x = 815,072.04 × 223,569.06
  4. Step 4: Simplify right side
    543,510.69x = 182,224,889,815.08
  5. Step 5: Solve for x
    x = 182,224,889,815.08/543,510.69
  6. Step 6: Final answer
    x = 335,273.79

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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.