Home / 326,639.43-450,775.06-181,456.21

Finding the Fourth Proportional to 326,639.43, 450,775.06 and 181,456.21

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Solution

The fourth proportional to 326,639.43, 450,775.06 and 181,456.21 is: 250,416.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,639.43 : 450,775.06 = 181,456.21 : x
  2. Step 2: Convert to fraction form
    326,639.43/450,775.06 = 181,456.21/x
  3. Step 3: Cross multiply
    326,639.43x = 450,775.06 × 181,456.21
  4. Step 4: Simplify right side
    326,639.43x = 81,795,934,742.83
  5. Step 5: Solve for x
    x = 81,795,934,742.83/326,639.43
  6. Step 6: Final answer
    x = 250,416.60

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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.