Home / 479,240.30-718,737.38-142,201.24

Finding the Fourth Proportional to 479,240.30, 718,737.38 and 142,201.24

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Solution

The fourth proportional to 479,240.30, 718,737.38 and 142,201.24 is: 213,265.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,240.30 : 718,737.38 = 142,201.24 : x
  2. Step 2: Convert to fraction form
    479,240.30/718,737.38 = 142,201.24/x
  3. Step 3: Cross multiply
    479,240.30x = 718,737.38 × 142,201.24
  4. Step 4: Simplify right side
    479,240.30x = 102,205,346,670.35
  5. Step 5: Solve for x
    x = 102,205,346,670.35/479,240.30
  6. Step 6: Final answer
    x = 213,265.34

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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.