Home / 379,921.68-524,164.59-218,773.26

Finding the Fourth Proportional to 379,921.68, 524,164.59 and 218,773.26

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Solution

The fourth proportional to 379,921.68, 524,164.59 and 218,773.26 is: 301,833.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,921.68 : 524,164.59 = 218,773.26 : x
  2. Step 2: Convert to fraction form
    379,921.68/524,164.59 = 218,773.26/x
  3. Step 3: Cross multiply
    379,921.68x = 524,164.59 × 218,773.26
  4. Step 4: Simplify right side
    379,921.68x = 114,673,196,130.86
  5. Step 5: Solve for x
    x = 114,673,196,130.86/379,921.68
  6. Step 6: Final answer
    x = 301,833.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.