Home / 313,799.78-470,551.82-113,979.26

Finding the Fourth Proportional to 313,799.78, 470,551.82 and 113,979.26

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Solution

The fourth proportional to 313,799.78, 470,551.82 and 113,979.26 is: 170,915.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,799.78 : 470,551.82 = 113,979.26 : x
  2. Step 2: Convert to fraction form
    313,799.78/470,551.82 = 113,979.26/x
  3. Step 3: Cross multiply
    313,799.78x = 470,551.82 × 113,979.26
  4. Step 4: Simplify right side
    313,799.78x = 53,633,148,235.25
  5. Step 5: Solve for x
    x = 53,633,148,235.25/313,799.78
  6. Step 6: Final answer
    x = 170,915.19

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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.