Home / 293,110.45-439,718.32-103,680.61

Finding the Fourth Proportional to 293,110.45, 439,718.32 and 103,680.61

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Solution

The fourth proportional to 293,110.45, 439,718.32 and 103,680.61 is: 155,539.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,110.45 : 439,718.32 = 103,680.61 : x
  2. Step 2: Convert to fraction form
    293,110.45/439,718.32 = 103,680.61/x
  3. Step 3: Cross multiply
    293,110.45x = 439,718.32 × 103,680.61
  4. Step 4: Simplify right side
    293,110.45x = 45,590,263,645.78
  5. Step 5: Solve for x
    x = 45,590,263,645.78/293,110.45
  6. Step 6: Final answer
    x = 155,539.54

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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.