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Finding the Fourth Proportional to 270,275.76, 372,991.05 and 179,475.15

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Solution

The fourth proportional to 270,275.76, 372,991.05 and 179,475.15 is: 247,682.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,275.76 : 372,991.05 = 179,475.15 : x
  2. Step 2: Convert to fraction form
    270,275.76/372,991.05 = 179,475.15/x
  3. Step 3: Cross multiply
    270,275.76x = 372,991.05 × 179,475.15
  4. Step 4: Simplify right side
    270,275.76x = 66,942,624,647.41
  5. Step 5: Solve for x
    x = 66,942,624,647.41/270,275.76
  6. Step 6: Final answer
    x = 247,682.68

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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.