Home / 272,055.74-408,083.09-72,376.34

Finding the Fourth Proportional to 272,055.74, 408,083.09 and 72,376.34

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Solution

The fourth proportional to 272,055.74, 408,083.09 and 72,376.34 is: 108,564.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,055.74 : 408,083.09 = 72,376.34 : x
  2. Step 2: Convert to fraction form
    272,055.74/408,083.09 = 72,376.34/x
  3. Step 3: Cross multiply
    272,055.74x = 408,083.09 × 72,376.34
  4. Step 4: Simplify right side
    272,055.74x = 29,535,558,067.79
  5. Step 5: Solve for x
    x = 29,535,558,067.79/272,055.74
  6. Step 6: Final answer
    x = 108,564.36

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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.