Home / 245,429.43-338,860.38-187,967.22

Finding the Fourth Proportional to 245,429.43, 338,860.38 and 187,967.22

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Solution

The fourth proportional to 245,429.43, 338,860.38 and 187,967.22 is: 259,523.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,429.43 : 338,860.38 = 187,967.22 : x
  2. Step 2: Convert to fraction form
    245,429.43/338,860.38 = 187,967.22/x
  3. Step 3: Cross multiply
    245,429.43x = 338,860.38 × 187,967.22
  4. Step 4: Simplify right side
    245,429.43x = 63,694,643,596.74
  5. Step 5: Solve for x
    x = 63,694,643,596.74/245,429.43
  6. Step 6: Final answer
    x = 259,523.25

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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.