Home / 516,979.60-775,469.67-162,021.27

Finding the Fourth Proportional to 516,979.60, 775,469.67 and 162,021.27

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Solution

The fourth proportional to 516,979.60, 775,469.67 and 162,021.27 is: 243,031.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,979.60 : 775,469.67 = 162,021.27 : x
  2. Step 2: Convert to fraction form
    516,979.60/775,469.67 = 162,021.27/x
  3. Step 3: Cross multiply
    516,979.60x = 775,469.67 × 162,021.27
  4. Step 4: Simplify right side
    516,979.60x = 125,642,580,779.88
  5. Step 5: Solve for x
    x = 125,642,580,779.88/516,979.60
  6. Step 6: Final answer
    x = 243,031.99

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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.