Home / 461,276.96-691,999.08-208,676.48

Finding the Fourth Proportional to 461,276.96, 691,999.08 and 208,676.48

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Solution

The fourth proportional to 461,276.96, 691,999.08 and 208,676.48 is: 313,052.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,276.96 : 691,999.08 = 208,676.48 : x
  2. Step 2: Convert to fraction form
    461,276.96/691,999.08 = 208,676.48/x
  3. Step 3: Cross multiply
    461,276.96x = 691,999.08 × 208,676.48
  4. Step 4: Simplify right side
    461,276.96x = 144,403,932,177.64
  5. Step 5: Solve for x
    x = 144,403,932,177.64/461,276.96
  6. Step 6: Final answer
    x = 313,052.56

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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.