Home / 329,927.40-494,891.10-211,732.20

Finding the Fourth Proportional to 329,927.40, 494,891.10 and 211,732.20

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Solution

The fourth proportional to 329,927.40, 494,891.10 and 211,732.20 is: 317,598.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,927.40 : 494,891.10 = 211,732.20 : x
  2. Step 2: Convert to fraction form
    329,927.40/494,891.10 = 211,732.20/x
  3. Step 3: Cross multiply
    329,927.40x = 494,891.10 × 211,732.20
  4. Step 4: Simplify right side
    329,927.40x = 104,784,381,363.42
  5. Step 5: Solve for x
    x = 104,784,381,363.42/329,927.40
  6. Step 6: Final answer
    x = 317,598.30

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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.