Home / 313,866.09-433,138.27-170,629.20

Finding the Fourth Proportional to 313,866.09, 433,138.27 and 170,629.20

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Solution

The fourth proportional to 313,866.09, 433,138.27 and 170,629.20 is: 235,469.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,866.09 : 433,138.27 = 170,629.20 : x
  2. Step 2: Convert to fraction form
    313,866.09/433,138.27 = 170,629.20/x
  3. Step 3: Cross multiply
    313,866.09x = 433,138.27 × 170,629.20
  4. Step 4: Simplify right side
    313,866.09x = 73,906,036,392.84
  5. Step 5: Solve for x
    x = 73,906,036,392.84/313,866.09
  6. Step 6: Final answer
    x = 235,469.96

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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.