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Finding the Fourth Proportional to 331,204.80, 457,059.84 and 180,301.44

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Solution

The fourth proportional to 331,204.80, 457,059.84 and 180,301.44 is: 248,814.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,204.80 : 457,059.84 = 180,301.44 : x
  2. Step 2: Convert to fraction form
    331,204.80/457,059.84 = 180,301.44/x
  3. Step 3: Cross multiply
    331,204.80x = 457,059.84 × 180,301.44
  4. Step 4: Simplify right side
    331,204.80x = 82,408,547,318.17
  5. Step 5: Solve for x
    x = 82,408,547,318.17/331,204.80
  6. Step 6: Final answer
    x = 248,814.47

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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.