Home / 381,032.45-526,062.42-245,301.56

Finding the Fourth Proportional to 381,032.45, 526,062.42 and 245,301.56

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Solution

The fourth proportional to 381,032.45, 526,062.42 and 245,301.56 is: 338,669.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,032.45 : 526,062.42 = 245,301.56 : x
  2. Step 2: Convert to fraction form
    381,032.45/526,062.42 = 245,301.56/x
  3. Step 3: Cross multiply
    381,032.45x = 526,062.42 × 245,301.56
  4. Step 4: Simplify right side
    381,032.45x = 129,043,929,653.06
  5. Step 5: Solve for x
    x = 129,043,929,653.06/381,032.45
  6. Step 6: Final answer
    x = 338,669.14

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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.