Home / 338,789.13-508,258.87-102,114.73

Finding the Fourth Proportional to 338,789.13, 508,258.87 and 102,114.73

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Solution

The fourth proportional to 338,789.13, 508,258.87 and 102,114.73 is: 153,194.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,789.13 : 508,258.87 = 102,114.73 : x
  2. Step 2: Convert to fraction form
    338,789.13/508,258.87 = 102,114.73/x
  3. Step 3: Cross multiply
    338,789.13x = 508,258.87 × 102,114.73
  4. Step 4: Simplify right side
    338,789.13x = 51,900,716,009.51
  5. Step 5: Solve for x
    x = 51,900,716,009.51/338,789.13
  6. Step 6: Final answer
    x = 153,194.75

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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.