Home / 326,116.77-489,170.60-113,039.79

Finding the Fourth Proportional to 326,116.77, 489,170.60 and 113,039.79

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Solution

The fourth proportional to 326,116.77, 489,170.60 and 113,039.79 is: 169,558.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,116.77 : 489,170.60 = 113,039.79 : x
  2. Step 2: Convert to fraction form
    326,116.77/489,170.60 = 113,039.79/x
  3. Step 3: Cross multiply
    326,116.77x = 489,170.60 × 113,039.79
  4. Step 4: Simplify right side
    326,116.77x = 55,295,741,332.98
  5. Step 5: Solve for x
    x = 55,295,741,332.98/326,116.77
  6. Step 6: Final answer
    x = 169,558.10

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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.