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Finding the Fourth Proportional to 336,280.60, 504,616.38 and 126,065.08

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Solution

The fourth proportional to 336,280.60, 504,616.38 and 126,065.08 is: 189,170.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,280.60 : 504,616.38 = 126,065.08 : x
  2. Step 2: Convert to fraction form
    336,280.60/504,616.38 = 126,065.08/x
  3. Step 3: Cross multiply
    336,280.60x = 504,616.38 × 126,065.08
  4. Step 4: Simplify right side
    336,280.60x = 63,614,504,314.01
  5. Step 5: Solve for x
    x = 63,614,504,314.01/336,280.60
  6. Step 6: Final answer
    x = 189,170.90

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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.