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Finding the Fourth Proportional to 237,054.69, 327,135.78 and 135,075.69

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Solution

The fourth proportional to 237,054.69, 327,135.78 and 135,075.69 is: 186,404.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,054.69 : 327,135.78 = 135,075.69 : x
  2. Step 2: Convert to fraction form
    237,054.69/327,135.78 = 135,075.69/x
  3. Step 3: Cross multiply
    237,054.69x = 327,135.78 × 135,075.69
  4. Step 4: Simplify right side
    237,054.69x = 44,188,091,207.19
  5. Step 5: Solve for x
    x = 44,188,091,207.19/237,054.69
  6. Step 6: Final answer
    x = 186,404.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.