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Finding the Fourth Proportional to 243,375.54, 364,175.19 and 143,583.54

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Solution

The fourth proportional to 243,375.54, 364,175.19 and 143,583.54 is: 214,851.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,375.54 : 364,175.19 = 143,583.54 : x
  2. Step 2: Convert to fraction form
    243,375.54/364,175.19 = 143,583.54/x
  3. Step 3: Cross multiply
    243,375.54x = 364,175.19 × 143,583.54
  4. Step 4: Simplify right side
    243,375.54x = 52,289,562,960.37
  5. Step 5: Solve for x
    x = 52,289,562,960.37/243,375.54
  6. Step 6: Final answer
    x = 214,851.35

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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.