Home / 336,454.40-504,001.20-209,705.60

Finding the Fourth Proportional to 336,454.40, 504,001.20 and 209,705.60

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Solution

The fourth proportional to 336,454.40, 504,001.20 and 209,705.60 is: 314,134.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,454.40 : 504,001.20 = 209,705.60 : x
  2. Step 2: Convert to fraction form
    336,454.40/504,001.20 = 209,705.60/x
  3. Step 3: Cross multiply
    336,454.40x = 504,001.20 × 209,705.60
  4. Step 4: Simplify right side
    336,454.40x = 105,691,874,046.72
  5. Step 5: Solve for x
    x = 105,691,874,046.72/336,454.40
  6. Step 6: Final answer
    x = 314,134.32

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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.