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Finding the Fourth Proportional to 162,698.50, 244,020.21 and 44,342.11

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Solution

The fourth proportional to 162,698.50, 244,020.21 and 44,342.11 is: 66,505.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,698.50 : 244,020.21 = 44,342.11 : x
  2. Step 2: Convert to fraction form
    162,698.50/244,020.21 = 44,342.11/x
  3. Step 3: Cross multiply
    162,698.50x = 244,020.21 × 44,342.11
  4. Step 4: Simplify right side
    162,698.50x = 10,820,370,994.04
  5. Step 5: Solve for x
    x = 10,820,370,994.04/162,698.50
  6. Step 6: Final answer
    x = 66,505.66

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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.