Home / 329,019.40-493,529.10-222,731.20

Finding the Fourth Proportional to 329,019.40, 493,529.10 and 222,731.20

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Solution

The fourth proportional to 329,019.40, 493,529.10 and 222,731.20 is: 334,096.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,019.40 : 493,529.10 = 222,731.20 : x
  2. Step 2: Convert to fraction form
    329,019.40/493,529.10 = 222,731.20/x
  3. Step 3: Cross multiply
    329,019.40x = 493,529.10 × 222,731.20
  4. Step 4: Simplify right side
    329,019.40x = 109,924,328,677.92
  5. Step 5: Solve for x
    x = 109,924,328,677.92/329,019.40
  6. Step 6: Final answer
    x = 334,096.80

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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.