Home / 324,629.51-448,275.98-202,330.61

Finding the Fourth Proportional to 324,629.51, 448,275.98 and 202,330.61

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Solution

The fourth proportional to 324,629.51, 448,275.98 and 202,330.61 is: 279,395.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,629.51 : 448,275.98 = 202,330.61 : x
  2. Step 2: Convert to fraction form
    324,629.51/448,275.98 = 202,330.61/x
  3. Step 3: Cross multiply
    324,629.51x = 448,275.98 × 202,330.61
  4. Step 4: Simplify right side
    324,629.51x = 90,699,952,549.90
  5. Step 5: Solve for x
    x = 90,699,952,549.90/324,629.51
  6. Step 6: Final answer
    x = 279,395.28

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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.