Home / 331,218.40-457,083.12-180,316.48

Finding the Fourth Proportional to 331,218.40, 457,083.12 and 180,316.48

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Solution

The fourth proportional to 331,218.40, 457,083.12 and 180,316.48 is: 248,837.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,218.40 : 457,083.12 = 180,316.48 : x
  2. Step 2: Convert to fraction form
    331,218.40/457,083.12 = 180,316.48/x
  3. Step 3: Cross multiply
    331,218.40x = 457,083.12 × 180,316.48
  4. Step 4: Simplify right side
    331,218.40x = 82,419,619,265.82
  5. Step 5: Solve for x
    x = 82,419,619,265.82/331,218.40
  6. Step 6: Final answer
    x = 248,837.68

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1.5x scale

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.