Home / 329,023.20-493,232.40-328,821.60

Finding the Fourth Proportional to 329,023.20, 493,232.40 and 328,821.60

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Solution

The fourth proportional to 329,023.20, 493,232.40 and 328,821.60 is: 492,930.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,023.20 : 493,232.40 = 328,821.60 : x
  2. Step 2: Convert to fraction form
    329,023.20/493,232.40 = 328,821.60/x
  3. Step 3: Cross multiply
    329,023.20x = 493,232.40 × 328,821.60
  4. Step 4: Simplify right side
    329,023.20x = 162,185,466,939.84
  5. Step 5: Solve for x
    x = 162,185,466,939.84/329,023.20
  6. Step 6: Final answer
    x = 492,930.19

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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.