Home / 331,038.96-456,835.32-180,137.04

Finding the Fourth Proportional to 331,038.96, 456,835.32 and 180,137.04

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Solution

The fourth proportional to 331,038.96, 456,835.32 and 180,137.04 is: 248,589.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,038.96 : 456,835.32 = 180,137.04 : x
  2. Step 2: Convert to fraction form
    331,038.96/456,835.32 = 180,137.04/x
  3. Step 3: Cross multiply
    331,038.96x = 456,835.32 × 180,137.04
  4. Step 4: Simplify right side
    331,038.96x = 82,292,962,312.25
  5. Step 5: Solve for x
    x = 82,292,962,312.25/331,038.96
  6. Step 6: Final answer
    x = 248,589.96

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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.