Home / 667,678.16-1,001,518.49-162,239.56

Finding the Fourth Proportional to 667,678.16, 1,001,518.49 and 162,239.56

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Solution

The fourth proportional to 667,678.16, 1,001,518.49 and 162,239.56 is: 243,359.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,678.16 : 1,001,518.49 = 162,239.56 : x
  2. Step 2: Convert to fraction form
    667,678.16/1,001,518.49 = 162,239.56/x
  3. Step 3: Cross multiply
    667,678.16x = 1,001,518.49 × 162,239.56
  4. Step 4: Simplify right side
    667,678.16x = 162,485,917,051.27
  5. Step 5: Solve for x
    x = 162,485,917,051.27/667,678.16
  6. Step 6: Final answer
    x = 243,359.64

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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.