Home / 325,511.55-449,007.17-215,130.02

Finding the Fourth Proportional to 325,511.55, 449,007.17 and 215,130.02

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Solution

The fourth proportional to 325,511.55, 449,007.17 and 215,130.02 is: 296,748.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,511.55 : 449,007.17 = 215,130.02 : x
  2. Step 2: Convert to fraction form
    325,511.55/449,007.17 = 215,130.02/x
  3. Step 3: Cross multiply
    325,511.55x = 449,007.17 × 215,130.02
  4. Step 4: Simplify right side
    325,511.55x = 96,594,918,141.56
  5. Step 5: Solve for x
    x = 96,594,918,141.56/325,511.55
  6. Step 6: Final answer
    x = 296,748.05

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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.