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Finding the Fourth Proportional to 379,914.40, 569,871.60 and 158,269.60

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Solution

The fourth proportional to 379,914.40, 569,871.60 and 158,269.60 is: 237,404.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,914.40 : 569,871.60 = 158,269.60 : x
  2. Step 2: Convert to fraction form
    379,914.40/569,871.60 = 158,269.60/x
  3. Step 3: Cross multiply
    379,914.40x = 569,871.60 × 158,269.60
  4. Step 4: Simplify right side
    379,914.40x = 90,193,350,183.36
  5. Step 5: Solve for x
    x = 90,193,350,183.36/379,914.40
  6. Step 6: Final answer
    x = 237,404.40

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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.