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Finding the Fourth Proportional to 656,054.40, 984,081.60 and 235,372.80

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Solution

The fourth proportional to 656,054.40, 984,081.60 and 235,372.80 is: 353,059.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,054.40 : 984,081.60 = 235,372.80 : x
  2. Step 2: Convert to fraction form
    656,054.40/984,081.60 = 235,372.80/x
  3. Step 3: Cross multiply
    656,054.40x = 984,081.60 × 235,372.80
  4. Step 4: Simplify right side
    656,054.40x = 231,626,041,620.48
  5. Step 5: Solve for x
    x = 231,626,041,620.48/656,054.40
  6. Step 6: Final answer
    x = 353,059.20

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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.