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Finding the Fourth Proportional to 335,775.62, 503,838.39 and 148,743.38

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Solution

The fourth proportional to 335,775.62, 503,838.39 and 148,743.38 is: 223,192.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,775.62 : 503,838.39 = 148,743.38 : x
  2. Step 2: Convert to fraction form
    335,775.62/503,838.39 = 148,743.38/x
  3. Step 3: Cross multiply
    335,775.62x = 503,838.39 × 148,743.38
  4. Step 4: Simplify right side
    335,775.62x = 74,942,622,583.17
  5. Step 5: Solve for x
    x = 74,942,622,583.17/335,775.62
  6. Step 6: Final answer
    x = 223,192.57

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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.