Home / 326,278.35-489,595.85-126,606.57

Finding the Fourth Proportional to 326,278.35, 489,595.85 and 126,606.57

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Solution

The fourth proportional to 326,278.35, 489,595.85 and 126,606.57 is: 189,979.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,278.35 : 489,595.85 = 126,606.57 : x
  2. Step 2: Convert to fraction form
    326,278.35/489,595.85 = 126,606.57/x
  3. Step 3: Cross multiply
    326,278.35x = 489,595.85 × 126,606.57
  4. Step 4: Simplify right side
    326,278.35x = 61,986,050,621.70
  5. Step 5: Solve for x
    x = 61,986,050,621.70/326,278.35
  6. Step 6: Final answer
    x = 189,979.05

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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.