Home / 551,090.06-826,665.88-172,063.14

Finding the Fourth Proportional to 551,090.06, 826,665.88 and 172,063.14

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Solution

The fourth proportional to 551,090.06, 826,665.88 and 172,063.14 is: 258,104.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,090.06 : 826,665.88 = 172,063.14 : x
  2. Step 2: Convert to fraction form
    551,090.06/826,665.88 = 172,063.14/x
  3. Step 3: Cross multiply
    551,090.06x = 826,665.88 × 172,063.14
  4. Step 4: Simplify right side
    551,090.06x = 142,238,723,352.20
  5. Step 5: Solve for x
    x = 142,238,723,352.20/551,090.06
  6. Step 6: Final answer
    x = 258,104.32

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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.