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Finding the Fourth Proportional to 240,372.40, 360,558.60 and 202,318.60

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Solution

The fourth proportional to 240,372.40, 360,558.60 and 202,318.60 is: 303,477.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,372.40 : 360,558.60 = 202,318.60 : x
  2. Step 2: Convert to fraction form
    240,372.40/360,558.60 = 202,318.60/x
  3. Step 3: Cross multiply
    240,372.40x = 360,558.60 × 202,318.60
  4. Step 4: Simplify right side
    240,372.40x = 72,947,711,169.96
  5. Step 5: Solve for x
    x = 72,947,711,169.96/240,372.40
  6. Step 6: Final answer
    x = 303,477.90

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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.