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Finding the Fourth Proportional to 269,710.96, 372,200.86 and 148,852.31

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Solution

The fourth proportional to 269,710.96, 372,200.86 and 148,852.31 is: 205,416.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,710.96 : 372,200.86 = 148,852.31 : x
  2. Step 2: Convert to fraction form
    269,710.96/372,200.86 = 148,852.31/x
  3. Step 3: Cross multiply
    269,710.96x = 372,200.86 × 148,852.31
  4. Step 4: Simplify right side
    269,710.96x = 55,402,957,050.73
  5. Step 5: Solve for x
    x = 55,402,957,050.73/269,710.96
  6. Step 6: Final answer
    x = 205,416.04

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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.