Home / 326,260.25-489,568.75-126,588.52

Finding the Fourth Proportional to 326,260.25, 489,568.75 and 126,588.52

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Solution

The fourth proportional to 326,260.25, 489,568.75 and 126,588.52 is: 189,951.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,260.25 : 489,568.75 = 126,588.52 : x
  2. Step 2: Convert to fraction form
    326,260.25/489,568.75 = 126,588.52/x
  3. Step 3: Cross multiply
    326,260.25x = 489,568.75 × 126,588.52
  4. Step 4: Simplify right side
    326,260.25x = 61,973,781,052.91
  5. Step 5: Solve for x
    x = 61,973,781,052.91/326,260.25
  6. Step 6: Final answer
    x = 189,951.98

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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.