Home / 193,740.28-290,434.38-172,745.08

Finding the Fourth Proportional to 193,740.28, 290,434.38 and 172,745.08

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Solution

The fourth proportional to 193,740.28, 290,434.38 and 172,745.08 is: 258,960.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,740.28 : 290,434.38 = 172,745.08 : x
  2. Step 2: Convert to fraction form
    193,740.28/290,434.38 = 172,745.08/x
  3. Step 3: Cross multiply
    193,740.28x = 290,434.38 × 172,745.08
  4. Step 4: Simplify right side
    193,740.28x = 50,171,110,207.85
  5. Step 5: Solve for x
    x = 50,171,110,207.85/193,740.28
  6. Step 6: Final answer
    x = 258,960.66

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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.