Home / 294,976.51-442,463.49-81,743.81

Finding the Fourth Proportional to 294,976.51, 442,463.49 and 81,743.81

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Solution

The fourth proportional to 294,976.51, 442,463.49 and 81,743.81 is: 122,615.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,976.51 : 442,463.49 = 81,743.81 : x
  2. Step 2: Convert to fraction form
    294,976.51/442,463.49 = 81,743.81/x
  3. Step 3: Cross multiply
    294,976.51x = 442,463.49 × 81,743.81
  4. Step 4: Simplify right side
    294,976.51x = 36,168,649,450.54
  5. Step 5: Solve for x
    x = 36,168,649,450.54/294,976.51
  6. Step 6: Final answer
    x = 122,615.36

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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.