Home / 272,501.84-408,814.26-82,979.16

Finding the Fourth Proportional to 272,501.84, 408,814.26 and 82,979.16

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Solution

The fourth proportional to 272,501.84, 408,814.26 and 82,979.16 is: 124,487.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,501.84 : 408,814.26 = 82,979.16 : x
  2. Step 2: Convert to fraction form
    272,501.84/408,814.26 = 82,979.16/x
  3. Step 3: Cross multiply
    272,501.84x = 408,814.26 × 82,979.16
  4. Step 4: Simplify right side
    272,501.84x = 33,923,063,890.82
  5. Step 5: Solve for x
    x = 33,923,063,890.82/272,501.84
  6. Step 6: Final answer
    x = 124,487.47

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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.