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Finding the Fourth Proportional to 100,280.70, 150,384.60 and 50,344.20

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Solution

The fourth proportional to 100,280.70, 150,384.60 and 50,344.20 is: 75,498.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,280.70 : 150,384.60 = 50,344.20 : x
  2. Step 2: Convert to fraction form
    100,280.70/150,384.60 = 50,344.20/x
  3. Step 3: Cross multiply
    100,280.70x = 150,384.60 × 50,344.20
  4. Step 4: Simplify right side
    100,280.70x = 7,570,992,379.32
  5. Step 5: Solve for x
    x = 7,570,992,379.32/100,280.70
  6. Step 6: Final answer
    x = 75,498.00

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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.