Home / 309,736.56-464,735.52-169,331.16

Finding the Fourth Proportional to 309,736.56, 464,735.52 and 169,331.16

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Solution

The fourth proportional to 309,736.56, 464,735.52 and 169,331.16 is: 254,068.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,736.56 : 464,735.52 = 169,331.16 : x
  2. Step 2: Convert to fraction form
    309,736.56/464,735.52 = 169,331.16/x
  3. Step 3: Cross multiply
    309,736.56x = 464,735.52 × 169,331.16
  4. Step 4: Simplify right side
    309,736.56x = 78,694,204,694.80
  5. Step 5: Solve for x
    x = 78,694,204,694.80/309,736.56
  6. Step 6: Final answer
    x = 254,068.18

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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.