Home / 331,219.40-457,084.50-180,317.48

Finding the Fourth Proportional to 331,219.40, 457,084.50 and 180,317.48

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Solution

The fourth proportional to 331,219.40, 457,084.50 and 180,317.48 is: 248,839.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,219.40 : 457,084.50 = 180,317.48 : x
  2. Step 2: Convert to fraction form
    331,219.40/457,084.50 = 180,317.48/x
  3. Step 3: Cross multiply
    331,219.40x = 457,084.50 × 180,317.48
  4. Step 4: Simplify right side
    331,219.40x = 82,420,325,187.06
  5. Step 5: Solve for x
    x = 82,420,325,187.06/331,219.40
  6. Step 6: Final answer
    x = 248,839.06

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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.