Home / 217,933.28-326,871.12-84,854.24

Finding the Fourth Proportional to 217,933.28, 326,871.12 and 84,854.24

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Solution

The fourth proportional to 217,933.28, 326,871.12 and 84,854.24 is: 127,270.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,933.28 : 326,871.12 = 84,854.24 : x
  2. Step 2: Convert to fraction form
    217,933.28/326,871.12 = 84,854.24/x
  3. Step 3: Cross multiply
    217,933.28x = 326,871.12 × 84,854.24
  4. Step 4: Simplify right side
    217,933.28x = 27,736,400,465.55
  5. Step 5: Solve for x
    x = 27,736,400,465.55/217,933.28
  6. Step 6: Final answer
    x = 127,270.15

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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.