Home / 551,337.08-827,120.41-172,242.50

Finding the Fourth Proportional to 551,337.08, 827,120.41 and 172,242.50

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Solution

The fourth proportional to 551,337.08, 827,120.41 and 172,242.50 is: 258,399.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,337.08 : 827,120.41 = 172,242.50 : x
  2. Step 2: Convert to fraction form
    551,337.08/827,120.41 = 172,242.50/x
  3. Step 3: Cross multiply
    551,337.08x = 827,120.41 × 172,242.50
  4. Step 4: Simplify right side
    551,337.08x = 142,465,288,274.63
  5. Step 5: Solve for x
    x = 142,465,288,274.63/551,337.08
  6. Step 6: Final answer
    x = 258,399.61

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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.