Home / 272,317.26-407,776.05-166,816.38

Finding the Fourth Proportional to 272,317.26, 407,776.05 and 166,816.38

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Solution

The fourth proportional to 272,317.26, 407,776.05 and 166,816.38 is: 249,795.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,317.26 : 407,776.05 = 166,816.38 : x
  2. Step 2: Convert to fraction form
    272,317.26/407,776.05 = 166,816.38/x
  3. Step 3: Cross multiply
    272,317.26x = 407,776.05 × 166,816.38
  4. Step 4: Simplify right side
    272,317.26x = 68,023,724,511.70
  5. Step 5: Solve for x
    x = 68,023,724,511.70/272,317.26
  6. Step 6: Final answer
    x = 249,795.86

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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.