Home / 326,124.20-489,234.90-115,744.52

Finding the Fourth Proportional to 326,124.20, 489,234.90 and 115,744.52

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Solution

The fourth proportional to 326,124.20, 489,234.90 and 115,744.52 is: 173,634.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,124.20 : 489,234.90 = 115,744.52 : x
  2. Step 2: Convert to fraction form
    326,124.20/489,234.90 = 115,744.52/x
  3. Step 3: Cross multiply
    326,124.20x = 489,234.90 × 115,744.52
  4. Step 4: Simplify right side
    326,124.20x = 56,626,258,667.75
  5. Step 5: Solve for x
    x = 56,626,258,667.75/326,124.20
  6. Step 6: Final answer
    x = 173,634.03

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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.