Home / 272,320.26-407,780.55-166,819.38

Finding the Fourth Proportional to 272,320.26, 407,780.55 and 166,819.38

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Solution

The fourth proportional to 272,320.26, 407,780.55 and 166,819.38 is: 249,800.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,320.26 : 407,780.55 = 166,819.38 : x
  2. Step 2: Convert to fraction form
    272,320.26/407,780.55 = 166,819.38/x
  3. Step 3: Cross multiply
    272,320.26x = 407,780.55 × 166,819.38
  4. Step 4: Simplify right side
    272,320.26x = 68,025,698,527.06
  5. Step 5: Solve for x
    x = 68,025,698,527.06/272,320.26
  6. Step 6: Final answer
    x = 249,800.36

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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.