Home / 343,931.96-515,884.07-175,448.59

Finding the Fourth Proportional to 343,931.96, 515,884.07 and 175,448.59

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Solution

The fourth proportional to 343,931.96, 515,884.07 and 175,448.59 is: 263,165.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,931.96 : 515,884.07 = 175,448.59 : x
  2. Step 2: Convert to fraction form
    343,931.96/515,884.07 = 175,448.59/x
  3. Step 3: Cross multiply
    343,931.96x = 515,884.07 × 175,448.59
  4. Step 4: Simplify right side
    343,931.96x = 90,511,131,833.87
  5. Step 5: Solve for x
    x = 90,511,131,833.87/343,931.96
  6. Step 6: Final answer
    x = 263,165.81

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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.