Home / 234,921.12-324,030.54-149,999.91

Finding the Fourth Proportional to 234,921.12, 324,030.54 and 149,999.91

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Solution

The fourth proportional to 234,921.12, 324,030.54 and 149,999.91 is: 206,897.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,921.12 : 324,030.54 = 149,999.91 : x
  2. Step 2: Convert to fraction form
    234,921.12/324,030.54 = 149,999.91/x
  3. Step 3: Cross multiply
    234,921.12x = 324,030.54 × 149,999.91
  4. Step 4: Simplify right side
    234,921.12x = 48,604,551,837.25
  5. Step 5: Solve for x
    x = 48,604,551,837.25/234,921.12
  6. Step 6: Final answer
    x = 206,897.33

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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.