Home / 336,644.40-504,286.20-209,895.60

Finding the Fourth Proportional to 336,644.40, 504,286.20 and 209,895.60

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Solution

The fourth proportional to 336,644.40, 504,286.20 and 209,895.60 is: 314,419.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,644.40 : 504,286.20 = 209,895.60 : x
  2. Step 2: Convert to fraction form
    336,644.40/504,286.20 = 209,895.60/x
  3. Step 3: Cross multiply
    336,644.40x = 504,286.20 × 209,895.60
  4. Step 4: Simplify right side
    336,644.40x = 105,847,454,520.72
  5. Step 5: Solve for x
    x = 105,847,454,520.72/336,644.40
  6. Step 6: Final answer
    x = 314,419.18

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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.