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Finding the Fourth Proportional to 313,800.78, 470,553.33 and 113,980.26

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Solution

The fourth proportional to 313,800.78, 470,553.33 and 113,980.26 is: 170,916.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,800.78 : 470,553.33 = 113,980.26 : x
  2. Step 2: Convert to fraction form
    313,800.78/470,553.33 = 113,980.26/x
  3. Step 3: Cross multiply
    313,800.78x = 470,553.33 × 113,980.26
  4. Step 4: Simplify right side
    313,800.78x = 53,633,790,897.27
  5. Step 5: Solve for x
    x = 53,633,790,897.27/313,800.78
  6. Step 6: Final answer
    x = 170,916.69

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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.