Home / 326,024.80-489,037.20-219,736.60

Finding the Fourth Proportional to 326,024.80, 489,037.20 and 219,736.60

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Solution

The fourth proportional to 326,024.80, 489,037.20 and 219,736.60 is: 329,604.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,024.80 : 489,037.20 = 219,736.60 : x
  2. Step 2: Convert to fraction form
    326,024.80/489,037.20 = 219,736.60/x
  3. Step 3: Cross multiply
    326,024.80x = 489,037.20 × 219,736.60
  4. Step 4: Simplify right side
    326,024.80x = 107,459,371,601.52
  5. Step 5: Solve for x
    x = 107,459,371,601.52/326,024.80
  6. Step 6: Final answer
    x = 329,604.90

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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.