Home / 331,211.36-457,071-180,309.44

Finding the Fourth Proportional to 331,211.36, 457,071 and 180,309.44

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Solution

The fourth proportional to 331,211.36, 457,071 and 180,309.44 is: 248,826.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,211.36 : 457,071 = 180,309.44 : x
  2. Step 2: Convert to fraction form
    331,211.36/457,071 = 180,309.44/x
  3. Step 3: Cross multiply
    331,211.36x = 457,071 × 180,309.44
  4. Step 4: Simplify right side
    331,211.36x = 82,414,216,050.24
  5. Step 5: Solve for x
    x = 82,414,216,050.24/331,211.36
  6. Step 6: Final answer
    x = 248,826.66

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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.