Home / 331,215.36-457,086.72-180,314.88

Finding the Fourth Proportional to 331,215.36, 457,086.72 and 180,314.88

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Solution

The fourth proportional to 331,215.36, 457,086.72 and 180,314.88 is: 248,839.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,215.36 : 457,086.72 = 180,314.88 : x
  2. Step 2: Convert to fraction form
    331,215.36/457,086.72 = 180,314.88/x
  3. Step 3: Cross multiply
    331,215.36x = 457,086.72 × 180,314.88
  4. Step 4: Simplify right side
    331,215.36x = 82,419,537,066.39
  5. Step 5: Solve for x
    x = 82,419,537,066.39/331,215.36
  6. Step 6: Final answer
    x = 248,839.72

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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.