Home / 382,131.42-573,202.62-145,487.10

Finding the Fourth Proportional to 382,131.42, 573,202.62 and 145,487.10

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Solution

The fourth proportional to 382,131.42, 573,202.62 and 145,487.10 is: 218,232.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,131.42 : 573,202.62 = 145,487.10 : x
  2. Step 2: Convert to fraction form
    382,131.42/573,202.62 = 145,487.10/x
  3. Step 3: Cross multiply
    382,131.42x = 573,202.62 × 145,487.10
  4. Step 4: Simplify right side
    382,131.42x = 83,393,586,896.20
  5. Step 5: Solve for x
    x = 83,393,586,896.20/382,131.42
  6. Step 6: Final answer
    x = 218,232.74

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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.