Home / 219,330.06-328,945.92-100,887.66

Finding the Fourth Proportional to 219,330.06, 328,945.92 and 100,887.66

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Solution

The fourth proportional to 219,330.06, 328,945.92 and 100,887.66 is: 151,308.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,330.06 : 328,945.92 = 100,887.66 : x
  2. Step 2: Convert to fraction form
    219,330.06/328,945.92 = 100,887.66/x
  3. Step 3: Cross multiply
    219,330.06x = 328,945.92 × 100,887.66
  4. Step 4: Simplify right side
    219,330.06x = 33,186,584,135.35
  5. Step 5: Solve for x
    x = 33,186,584,135.35/219,330.06
  6. Step 6: Final answer
    x = 151,308.87

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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.