Home / 272,187.23-408,254.47-82,649.26

Finding the Fourth Proportional to 272,187.23, 408,254.47 and 82,649.26

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Solution

The fourth proportional to 272,187.23, 408,254.47 and 82,649.26 is: 123,965.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,187.23 : 408,254.47 = 82,649.26 : x
  2. Step 2: Convert to fraction form
    272,187.23/408,254.47 = 82,649.26/x
  3. Step 3: Cross multiply
    272,187.23x = 408,254.47 × 82,649.26
  4. Step 4: Simplify right side
    272,187.23x = 33,741,931,421.19
  5. Step 5: Solve for x
    x = 33,741,931,421.19/272,187.23
  6. Step 6: Final answer
    x = 123,965.89

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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.