Home / 329,116.20-494,711.10-322,895.40

Finding the Fourth Proportional to 329,116.20, 494,711.10 and 322,895.40

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Solution

The fourth proportional to 329,116.20, 494,711.10 and 322,895.40 is: 485,360.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,116.20 : 494,711.10 = 322,895.40 : x
  2. Step 2: Convert to fraction form
    329,116.20/494,711.10 = 322,895.40/x
  3. Step 3: Cross multiply
    329,116.20x = 494,711.10 × 322,895.40
  4. Step 4: Simplify right side
    329,116.20x = 159,739,938,518.94
  5. Step 5: Solve for x
    x = 159,739,938,518.94/329,116.20
  6. Step 6: Final answer
    x = 485,360.30

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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.