Home / 326,317.50-489,476.25-115,963.74

Finding the Fourth Proportional to 326,317.50, 489,476.25 and 115,963.74

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Solution

The fourth proportional to 326,317.50, 489,476.25 and 115,963.74 is: 173,945.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,317.50 : 489,476.25 = 115,963.74 : x
  2. Step 2: Convert to fraction form
    326,317.50/489,476.25 = 115,963.74/x
  3. Step 3: Cross multiply
    326,317.50x = 489,476.25 × 115,963.74
  4. Step 4: Simplify right side
    326,317.50x = 56,761,496,591.18
  5. Step 5: Solve for x
    x = 56,761,496,591.18/326,317.50
  6. Step 6: Final answer
    x = 173,945.61

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1.5x scale

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.