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Finding the Fourth Proportional to 163,228.48, 244,612.80 and 129,800.20

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Solution

The fourth proportional to 163,228.48, 244,612.80 and 129,800.20 is: 194,517.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,228.48 : 244,612.80 = 129,800.20 : x
  2. Step 2: Convert to fraction form
    163,228.48/244,612.80 = 129,800.20/x
  3. Step 3: Cross multiply
    163,228.48x = 244,612.80 × 129,800.20
  4. Step 4: Simplify right side
    163,228.48x = 31,750,790,362.56
  5. Step 5: Solve for x
    x = 31,750,790,362.56/163,228.48
  6. Step 6: Final answer
    x = 194,517.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.