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Finding the Fourth Proportional to 100,439.98, 150,683.04 and 44,296.04

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Solution

The fourth proportional to 100,439.98, 150,683.04 and 44,296.04 is: 66,454.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,439.98 : 150,683.04 = 44,296.04 : x
  2. Step 2: Convert to fraction form
    100,439.98/150,683.04 = 44,296.04/x
  3. Step 3: Cross multiply
    100,439.98x = 150,683.04 × 44,296.04
  4. Step 4: Simplify right side
    100,439.98x = 6,674,661,967.16
  5. Step 5: Solve for x
    x = 6,674,661,967.16/100,439.98
  6. Step 6: Final answer
    x = 66,454.23

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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.