Home / 217,228.32-299,775.12-132,345.36

Finding the Fourth Proportional to 217,228.32, 299,775.12 and 132,345.36

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Solution

The fourth proportional to 217,228.32, 299,775.12 and 132,345.36 is: 182,636.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,228.32 : 299,775.12 = 132,345.36 : x
  2. Step 2: Convert to fraction form
    217,228.32/299,775.12 = 132,345.36/x
  3. Step 3: Cross multiply
    217,228.32x = 299,775.12 × 132,345.36
  4. Step 4: Simplify right side
    217,228.32x = 39,673,846,175.44
  5. Step 5: Solve for x
    x = 39,673,846,175.44/217,228.32
  6. Step 6: Final answer
    x = 182,636.62

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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.