Home / 272,183.39-408,275.99-82,645.36

Finding the Fourth Proportional to 272,183.39, 408,275.99 and 82,645.36

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Solution

The fourth proportional to 272,183.39, 408,275.99 and 82,645.36 is: 123,968.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,183.39 : 408,275.99 = 82,645.36 : x
  2. Step 2: Convert to fraction form
    272,183.39/408,275.99 = 82,645.36/x
  3. Step 3: Cross multiply
    272,183.39x = 408,275.99 × 82,645.36
  4. Step 4: Simplify right side
    272,183.39x = 33,742,117,810.34
  5. Step 5: Solve for x
    x = 33,742,117,810.34/272,183.39
  6. Step 6: Final answer
    x = 123,968.32

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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.