Home / 479,252.16-718,984.08-142,320.24

Finding the Fourth Proportional to 479,252.16, 718,984.08 and 142,320.24

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Solution

The fourth proportional to 479,252.16, 718,984.08 and 142,320.24 is: 213,511.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,252.16 : 718,984.08 = 142,320.24 : x
  2. Step 2: Convert to fraction form
    479,252.16/718,984.08 = 142,320.24/x
  3. Step 3: Cross multiply
    479,252.16x = 718,984.08 × 142,320.24
  4. Step 4: Simplify right side
    479,252.16x = 102,325,986,821.78
  5. Step 5: Solve for x
    x = 102,325,986,821.78/479,252.16
  6. Step 6: Final answer
    x = 213,511.79

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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.