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Finding the Fourth Proportional to 184,013.61, 275,668.47 and 154,218.48

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Solution

The fourth proportional to 184,013.61, 275,668.47 and 154,218.48 is: 231,032.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,013.61 : 275,668.47 = 154,218.48 : x
  2. Step 2: Convert to fraction form
    184,013.61/275,668.47 = 154,218.48/x
  3. Step 3: Cross multiply
    184,013.61x = 275,668.47 × 154,218.48
  4. Step 4: Simplify right side
    184,013.61x = 42,513,172,427.33
  5. Step 5: Solve for x
    x = 42,513,172,427.33/184,013.61
  6. Step 6: Final answer
    x = 231,032.76

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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.