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Finding the Fourth Proportional to 408,625.89, 613,115.10 and 155,982.26

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Solution

The fourth proportional to 408,625.89, 613,115.10 and 155,982.26 is: 234,040.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,625.89 : 613,115.10 = 155,982.26 : x
  2. Step 2: Convert to fraction form
    408,625.89/613,115.10 = 155,982.26/x
  3. Step 3: Cross multiply
    408,625.89x = 613,115.10 × 155,982.26
  4. Step 4: Simplify right side
    408,625.89x = 95,635,075,872.55
  5. Step 5: Solve for x
    x = 95,635,075,872.55/408,625.89
  6. Step 6: Final answer
    x = 234,040.67

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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.