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Finding the Fourth Proportional to 255,615.12, 352,750.26 and 148,248.82

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Solution

The fourth proportional to 255,615.12, 352,750.26 and 148,248.82 is: 204,584.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,615.12 : 352,750.26 = 148,248.82 : x
  2. Step 2: Convert to fraction form
    255,615.12/352,750.26 = 148,248.82/x
  3. Step 3: Cross multiply
    255,615.12x = 352,750.26 × 148,248.82
  4. Step 4: Simplify right side
    255,615.12x = 52,294,809,799.69
  5. Step 5: Solve for x
    x = 52,294,809,799.69/255,615.12
  6. Step 6: Final answer
    x = 204,584.18

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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.