Home / 331,661.50-457,705.23-188,445.80

Finding the Fourth Proportional to 331,661.50, 457,705.23 and 188,445.80

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Solution

The fourth proportional to 331,661.50, 457,705.23 and 188,445.80 is: 260,062.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,661.50 : 457,705.23 = 188,445.80 : x
  2. Step 2: Convert to fraction form
    331,661.50/457,705.23 = 188,445.80/x
  3. Step 3: Cross multiply
    331,661.50x = 457,705.23 × 188,445.80
  4. Step 4: Simplify right side
    331,661.50x = 86,252,628,231.53
  5. Step 5: Solve for x
    x = 86,252,628,231.53/331,661.50
  6. Step 6: Final answer
    x = 260,062.23

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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.