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Finding the Fourth Proportional to 240,136.96, 360,205.44 and 90,410.84

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Solution

The fourth proportional to 240,136.96, 360,205.44 and 90,410.84 is: 135,616.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,136.96 : 360,205.44 = 90,410.84 : x
  2. Step 2: Convert to fraction form
    240,136.96/360,205.44 = 90,410.84/x
  3. Step 3: Cross multiply
    240,136.96x = 360,205.44 × 90,410.84
  4. Step 4: Simplify right side
    240,136.96x = 32,566,476,122.23
  5. Step 5: Solve for x
    x = 32,566,476,122.23/240,136.96
  6. Step 6: Final answer
    x = 135,616.26

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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.