Home / 331,218.66-457,083.46-180,316.74

Finding the Fourth Proportional to 331,218.66, 457,083.46 and 180,316.74

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Solution

The fourth proportional to 331,218.66, 457,083.46 and 180,316.74 is: 248,838.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,218.66 : 457,083.46 = 180,316.74 : x
  2. Step 2: Convert to fraction form
    331,218.66/457,083.46 = 180,316.74/x
  3. Step 3: Cross multiply
    331,218.66x = 457,083.46 × 180,316.74
  4. Step 4: Simplify right side
    331,218.66x = 82,419,799,415.12
  5. Step 5: Solve for x
    x = 82,419,799,415.12/331,218.66
  6. Step 6: Final answer
    x = 248,838.03

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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.