Home / 479,244.40-718,743.44-142,205.36

Finding the Fourth Proportional to 479,244.40, 718,743.44 and 142,205.36

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Solution

The fourth proportional to 479,244.40, 718,743.44 and 142,205.36 is: 213,271.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,244.40 : 718,743.44 = 142,205.36 : x
  2. Step 2: Convert to fraction form
    479,244.40/718,743.44 = 142,205.36/x
  3. Step 3: Cross multiply
    479,244.40x = 718,743.44 × 142,205.36
  4. Step 4: Simplify right side
    479,244.40x = 102,209,166,394.64
  5. Step 5: Solve for x
    x = 102,209,166,394.64/479,244.40
  6. Step 6: Final answer
    x = 213,271.49

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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.