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Finding the Fourth Proportional to 437,533.20, 656,299.80 and 259,948.80

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Solution

The fourth proportional to 437,533.20, 656,299.80 and 259,948.80 is: 389,923.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,533.20 : 656,299.80 = 259,948.80 : x
  2. Step 2: Convert to fraction form
    437,533.20/656,299.80 = 259,948.80/x
  3. Step 3: Cross multiply
    437,533.20x = 656,299.80 × 259,948.80
  4. Step 4: Simplify right side
    437,533.20x = 170,604,345,450.24
  5. Step 5: Solve for x
    x = 170,604,345,450.24/437,533.20
  6. Step 6: Final answer
    x = 389,923.20

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Similar ratio
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1.5x scale

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.