Home / 479,238.03-718,733.93-142,198.95

Finding the Fourth Proportional to 479,238.03, 718,733.93 and 142,198.95

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Solution

The fourth proportional to 479,238.03, 718,733.93 and 142,198.95 is: 213,261.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,238.03 : 718,733.93 = 142,198.95 : x
  2. Step 2: Convert to fraction form
    479,238.03/718,733.93 = 142,198.95/x
  3. Step 3: Cross multiply
    479,238.03x = 718,733.93 × 142,198.95
  4. Step 4: Simplify right side
    479,238.03x = 102,203,209,464.38
  5. Step 5: Solve for x
    x = 102,203,209,464.38/479,238.03
  6. Step 6: Final answer
    x = 213,261.89

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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.