Home / 667,781.48-1,001,657.61-162,345.12

Finding the Fourth Proportional to 667,781.48, 1,001,657.61 and 162,345.12

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Solution

The fourth proportional to 667,781.48, 1,001,657.61 and 162,345.12 is: 243,514.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,781.48 : 1,001,657.61 = 162,345.12 : x
  2. Step 2: Convert to fraction form
    667,781.48/1,001,657.61 = 162,345.12/x
  3. Step 3: Cross multiply
    667,781.48x = 1,001,657.61 × 162,345.12
  4. Step 4: Simplify right side
    667,781.48x = 162,614,224,894.36
  5. Step 5: Solve for x
    x = 162,614,224,894.36/667,781.48
  6. Step 6: Final answer
    x = 243,514.13

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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.