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Finding the Fourth Proportional to 162,816.10, 244,224.15 and 146,745.70

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Solution

The fourth proportional to 162,816.10, 244,224.15 and 146,745.70 is: 220,118.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,816.10 : 244,224.15 = 146,745.70 : x
  2. Step 2: Convert to fraction form
    162,816.10/244,224.15 = 146,745.70/x
  3. Step 3: Cross multiply
    162,816.10x = 244,224.15 × 146,745.70
  4. Step 4: Simplify right side
    162,816.10x = 35,838,843,848.66
  5. Step 5: Solve for x
    x = 35,838,843,848.66/162,816.10
  6. Step 6: Final answer
    x = 220,118.55

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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.