Home / 324,974.90-448,457-179,786.14

Finding the Fourth Proportional to 324,974.90, 448,457 and 179,786.14

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Solution

The fourth proportional to 324,974.90, 448,457 and 179,786.14 is: 248,100.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,974.90 : 448,457 = 179,786.14 : x
  2. Step 2: Convert to fraction form
    324,974.90/448,457 = 179,786.14/x
  3. Step 3: Cross multiply
    324,974.90x = 448,457 × 179,786.14
  4. Step 4: Simplify right side
    324,974.90x = 80,626,352,985.98
  5. Step 5: Solve for x
    x = 80,626,352,985.98/324,974.90
  6. Step 6: Final answer
    x = 248,100.25

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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.