Home / 291,733.17-402,589.62-164,449.77

Finding the Fourth Proportional to 291,733.17, 402,589.62 and 164,449.77

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Solution

The fourth proportional to 291,733.17, 402,589.62 and 164,449.77 is: 226,939.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,733.17 : 402,589.62 = 164,449.77 : x
  2. Step 2: Convert to fraction form
    291,733.17/402,589.62 = 164,449.77/x
  3. Step 3: Cross multiply
    291,733.17x = 402,589.62 × 164,449.77
  4. Step 4: Simplify right side
    291,733.17x = 66,205,770,413.39
  5. Step 5: Solve for x
    x = 66,205,770,413.39/291,733.17
  6. Step 6: Final answer
    x = 226,939.47

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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.