Home / 326,209.20-489,384.18-98,485.92

Finding the Fourth Proportional to 326,209.20, 489,384.18 and 98,485.92

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Solution

The fourth proportional to 326,209.20, 489,384.18 and 98,485.92 is: 147,750.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,209.20 : 489,384.18 = 98,485.92 : x
  2. Step 2: Convert to fraction form
    326,209.20/489,384.18 = 98,485.92/x
  3. Step 3: Cross multiply
    326,209.20x = 489,384.18 × 98,485.92
  4. Step 4: Simplify right side
    326,209.20x = 48,197,451,200.75
  5. Step 5: Solve for x
    x = 48,197,451,200.75/326,209.20
  6. Step 6: Final answer
    x = 147,750.13

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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.