Home / 479,224.09-718,713.12-142,185.01

Finding the Fourth Proportional to 479,224.09, 718,713.12 and 142,185.01

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Solution

The fourth proportional to 479,224.09, 718,713.12 and 142,185.01 is: 213,241.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,224.09 : 718,713.12 = 142,185.01 : x
  2. Step 2: Convert to fraction form
    479,224.09/718,713.12 = 142,185.01/x
  3. Step 3: Cross multiply
    479,224.09x = 718,713.12 × 142,185.01
  4. Step 4: Simplify right side
    479,224.09x = 102,190,232,154.33
  5. Step 5: Solve for x
    x = 102,190,232,154.33/479,224.09
  6. Step 6: Final answer
    x = 213,241.02

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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.