Home / 309,325.86-426,849.48-181,976.85

Finding the Fourth Proportional to 309,325.86, 426,849.48 and 181,976.85

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Solution

The fourth proportional to 309,325.86, 426,849.48 and 181,976.85 is: 251,116.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,325.86 : 426,849.48 = 181,976.85 : x
  2. Step 2: Convert to fraction form
    309,325.86/426,849.48 = 181,976.85/x
  3. Step 3: Cross multiply
    309,325.86x = 426,849.48 × 181,976.85
  4. Step 4: Simplify right side
    309,325.86x = 77,676,723,794.54
  5. Step 5: Solve for x
    x = 77,676,723,794.54/309,325.86
  6. Step 6: Final answer
    x = 251,116.17

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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.