Home / 442,131.54-663,237.40-122,303.44

Finding the Fourth Proportional to 442,131.54, 663,237.40 and 122,303.44

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Solution

The fourth proportional to 442,131.54, 663,237.40 and 122,303.44 is: 183,466.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,131.54 : 663,237.40 = 122,303.44 : x
  2. Step 2: Convert to fraction form
    442,131.54/663,237.40 = 122,303.44/x
  3. Step 3: Cross multiply
    442,131.54x = 663,237.40 × 122,303.44
  4. Step 4: Simplify right side
    442,131.54x = 81,116,215,556.66
  5. Step 5: Solve for x
    x = 81,116,215,556.66/442,131.54
  6. Step 6: Final answer
    x = 183,466.25

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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.