Home / 331,328.64-457,234.24-180,422.40

Finding the Fourth Proportional to 331,328.64, 457,234.24 and 180,422.40

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Solution

The fourth proportional to 331,328.64, 457,234.24 and 180,422.40 is: 248,983.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,328.64 : 457,234.24 = 180,422.40 : x
  2. Step 2: Convert to fraction form
    331,328.64/457,234.24 = 180,422.40/x
  3. Step 3: Cross multiply
    331,328.64x = 457,234.24 × 180,422.40
  4. Step 4: Simplify right side
    331,328.64x = 82,495,298,942.98
  5. Step 5: Solve for x
    x = 82,495,298,942.98/331,328.64
  6. Step 6: Final answer
    x = 248,983.30

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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.