Home / 310,266.06-428,120.52-174,273.96

Finding the Fourth Proportional to 310,266.06, 428,120.52 and 174,273.96

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Solution

The fourth proportional to 310,266.06, 428,120.52 and 174,273.96 is: 240,471.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,266.06 : 428,120.52 = 174,273.96 : x
  2. Step 2: Convert to fraction form
    310,266.06/428,120.52 = 174,273.96/x
  3. Step 3: Cross multiply
    310,266.06x = 428,120.52 × 174,273.96
  4. Step 4: Simplify right side
    310,266.06x = 74,610,258,377.66
  5. Step 5: Solve for x
    x = 74,610,258,377.66/310,266.06
  6. Step 6: Final answer
    x = 240,471.87

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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.