Home / 217,243.11-299,813.23-120,477.27

Finding the Fourth Proportional to 217,243.11, 299,813.23 and 120,477.27

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Solution

The fourth proportional to 217,243.11, 299,813.23 and 120,477.27 is: 166,268.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,243.11 : 299,813.23 = 120,477.27 : x
  2. Step 2: Convert to fraction form
    217,243.11/299,813.23 = 120,477.27/x
  3. Step 3: Cross multiply
    217,243.11x = 299,813.23 × 120,477.27
  4. Step 4: Simplify right side
    217,243.11x = 36,120,678,262.41
  5. Step 5: Solve for x
    x = 36,120,678,262.41/217,243.11
  6. Step 6: Final answer
    x = 166,268.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.