Home / 245,721.29-368,582.07-68,228.30

Finding the Fourth Proportional to 245,721.29, 368,582.07 and 68,228.30

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Solution

The fourth proportional to 245,721.29, 368,582.07 and 68,228.30 is: 102,342.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,721.29 : 368,582.07 = 68,228.30 : x
  2. Step 2: Convert to fraction form
    245,721.29/368,582.07 = 68,228.30/x
  3. Step 3: Cross multiply
    245,721.29x = 368,582.07 × 68,228.30
  4. Step 4: Simplify right side
    245,721.29x = 25,147,726,203.67
  5. Step 5: Solve for x
    x = 25,147,726,203.67/245,721.29
  6. Step 6: Final answer
    x = 102,342.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.