Home / 225,823.47-338,439.91-92,547.69

Finding the Fourth Proportional to 225,823.47, 338,439.91 and 92,547.69

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Solution

The fourth proportional to 225,823.47, 338,439.91 and 92,547.69 is: 138,700.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,823.47 : 338,439.91 = 92,547.69 : x
  2. Step 2: Convert to fraction form
    225,823.47/338,439.91 = 92,547.69/x
  3. Step 3: Cross multiply
    225,823.47x = 338,439.91 × 92,547.69
  4. Step 4: Simplify right side
    225,823.47x = 31,321,831,874.31
  5. Step 5: Solve for x
    x = 31,321,831,874.31/225,823.47
  6. Step 6: Final answer
    x = 138,700.52

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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.