Home / 479,122.90-718,833.99-142,165.23

Finding the Fourth Proportional to 479,122.90, 718,833.99 and 142,165.23

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Solution

The fourth proportional to 479,122.90, 718,833.99 and 142,165.23 is: 213,292.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,122.90 : 718,833.99 = 142,165.23 : x
  2. Step 2: Convert to fraction form
    479,122.90/718,833.99 = 142,165.23/x
  3. Step 3: Cross multiply
    479,122.90x = 718,833.99 × 142,165.23
  4. Step 4: Simplify right side
    479,122.90x = 102,193,197,357.66
  5. Step 5: Solve for x
    x = 102,193,197,357.66/479,122.90
  6. Step 6: Final answer
    x = 213,292.24

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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.