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Finding the Fourth Proportional to 220,098.60, 303,887.70 and 162,750.60

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Solution

The fourth proportional to 220,098.60, 303,887.70 and 162,750.60 is: 224,707.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,098.60 : 303,887.70 = 162,750.60 : x
  2. Step 2: Convert to fraction form
    220,098.60/303,887.70 = 162,750.60/x
  3. Step 3: Cross multiply
    220,098.60x = 303,887.70 × 162,750.60
  4. Step 4: Simplify right side
    220,098.60x = 49,457,905,507.62
  5. Step 5: Solve for x
    x = 49,457,905,507.62/220,098.60
  6. Step 6: Final answer
    x = 224,707.95

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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.