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Finding the Fourth Proportional to 313,481.78, 432,600.96 and 170,242.84

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Solution

The fourth proportional to 313,481.78, 432,600.96 and 170,242.84 is: 234,933.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,481.78 : 432,600.96 = 170,242.84 : x
  2. Step 2: Convert to fraction form
    313,481.78/432,600.96 = 170,242.84/x
  3. Step 3: Cross multiply
    313,481.78x = 432,600.96 × 170,242.84
  4. Step 4: Simplify right side
    313,481.78x = 73,647,216,017.13
  5. Step 5: Solve for x
    x = 73,647,216,017.13/313,481.78
  6. Step 6: Final answer
    x = 234,933.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.