Home / 1,182.04-1,773.20-316.36

Finding the Fourth Proportional to 1,182.04, 1,773.20 and 316.36

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Solution

The fourth proportional to 1,182.04, 1,773.20 and 316.36 is: 474.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182.04 : 1,773.20 = 316.36 : x
  2. Step 2: Convert to fraction form
    1,182.04/1,773.20 = 316.36/x
  3. Step 3: Cross multiply
    1,182.04x = 1,773.20 × 316.36
  4. Step 4: Simplify right side
    1,182.04x = 560,969.55
  5. Step 5: Solve for x
    x = 560,969.55/1,182.04
  6. Step 6: Final answer
    x = 474.58

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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.