Home / 258,684.12-356,930.52-151,233.36

Finding the Fourth Proportional to 258,684.12, 356,930.52 and 151,233.36

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Solution

The fourth proportional to 258,684.12, 356,930.52 and 151,233.36 is: 208,670.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,684.12 : 356,930.52 = 151,233.36 : x
  2. Step 2: Convert to fraction form
    258,684.12/356,930.52 = 151,233.36/x
  3. Step 3: Cross multiply
    258,684.12x = 356,930.52 × 151,233.36
  4. Step 4: Simplify right side
    258,684.12x = 53,979,801,826.15
  5. Step 5: Solve for x
    x = 53,979,801,826.15/258,684.12
  6. Step 6: Final answer
    x = 208,670.72

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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.