Home / 648,723.08-973,177.72-199,481.72

Finding the Fourth Proportional to 648,723.08, 973,177.72 and 199,481.72

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Solution

The fourth proportional to 648,723.08, 973,177.72 and 199,481.72 is: 299,251.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,723.08 : 973,177.72 = 199,481.72 : x
  2. Step 2: Convert to fraction form
    648,723.08/973,177.72 = 199,481.72/x
  3. Step 3: Cross multiply
    648,723.08x = 973,177.72 × 199,481.72
  4. Step 4: Simplify right side
    648,723.08x = 194,131,165,451.28
  5. Step 5: Solve for x
    x = 194,131,165,451.28/648,723.08
  6. Step 6: Final answer
    x = 299,251.21

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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.