Home / 212,273.66-292,939.55-115,479.62

Finding the Fourth Proportional to 212,273.66, 292,939.55 and 115,479.62

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Solution

The fourth proportional to 212,273.66, 292,939.55 and 115,479.62 is: 159,362.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,273.66 : 292,939.55 = 115,479.62 : x
  2. Step 2: Convert to fraction form
    212,273.66/292,939.55 = 115,479.62/x
  3. Step 3: Cross multiply
    212,273.66x = 292,939.55 × 115,479.62
  4. Step 4: Simplify right side
    212,273.66x = 33,828,548,935.88
  5. Step 5: Solve for x
    x = 33,828,548,935.88/212,273.66
  6. Step 6: Final answer
    x = 159,362.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.