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Finding the Fourth Proportional to 235,610.64, 325,113.48 and 159,295.92

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Solution

The fourth proportional to 235,610.64, 325,113.48 and 159,295.92 is: 219,808.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,610.64 : 325,113.48 = 159,295.92 : x
  2. Step 2: Convert to fraction form
    235,610.64/325,113.48 = 159,295.92/x
  3. Step 3: Cross multiply
    235,610.64x = 325,113.48 × 159,295.92
  4. Step 4: Simplify right side
    235,610.64x = 51,789,250,901.00
  5. Step 5: Solve for x
    x = 51,789,250,901.00/235,610.64
  6. Step 6: Final answer
    x = 219,808.63

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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.