Home / 212,495.38-317,188.37-187,273.47

Finding the Fourth Proportional to 212,495.38, 317,188.37 and 187,273.47

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Solution

The fourth proportional to 212,495.38, 317,188.37 and 187,273.47 is: 279,540.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,495.38 : 317,188.37 = 187,273.47 : x
  2. Step 2: Convert to fraction form
    212,495.38/317,188.37 = 187,273.47/x
  3. Step 3: Cross multiply
    212,495.38x = 317,188.37 × 187,273.47
  4. Step 4: Simplify right side
    212,495.38x = 59,400,966,693.54
  5. Step 5: Solve for x
    x = 59,400,966,693.54/212,495.38
  6. Step 6: Final answer
    x = 279,540.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.