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Finding the Fourth Proportional to 269,595.95, 372,039.84 and 148,738.21

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Solution

The fourth proportional to 269,595.95, 372,039.84 and 148,738.21 is: 205,257.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,595.95 : 372,039.84 = 148,738.21 : x
  2. Step 2: Convert to fraction form
    269,595.95/372,039.84 = 148,738.21/x
  3. Step 3: Cross multiply
    269,595.95x = 372,039.84 × 148,738.21
  4. Step 4: Simplify right side
    269,595.95x = 55,336,539,106.60
  5. Step 5: Solve for x
    x = 55,336,539,106.60/269,595.95
  6. Step 6: Final answer
    x = 205,257.31

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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.