Home / 245,381.43-338,596.91-136,458.51

Finding the Fourth Proportional to 245,381.43, 338,596.91 and 136,458.51

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Solution

The fourth proportional to 245,381.43, 338,596.91 and 136,458.51 is: 188,296.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,381.43 : 338,596.91 = 136,458.51 : x
  2. Step 2: Convert to fraction form
    245,381.43/338,596.91 = 136,458.51/x
  3. Step 3: Cross multiply
    245,381.43x = 338,596.91 × 136,458.51
  4. Step 4: Simplify right side
    245,381.43x = 46,204,428,388.89
  5. Step 5: Solve for x
    x = 46,204,428,388.89/245,381.43
  6. Step 6: Final answer
    x = 188,296.35

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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.