Home / 326,278.60-489,596.22-126,606.82

Finding the Fourth Proportional to 326,278.60, 489,596.22 and 126,606.82

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Solution

The fourth proportional to 326,278.60, 489,596.22 and 126,606.82 is: 189,979.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,278.60 : 489,596.22 = 126,606.82 : x
  2. Step 2: Convert to fraction form
    326,278.60/489,596.22 = 126,606.82/x
  3. Step 3: Cross multiply
    326,278.60x = 489,596.22 × 126,606.82
  4. Step 4: Simplify right side
    326,278.60x = 61,986,220,498.22
  5. Step 5: Solve for x
    x = 61,986,220,498.22/326,278.60
  6. Step 6: Final answer
    x = 189,979.42

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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.