Home / 221,026.30-331,541.70-176,933.32

Finding the Fourth Proportional to 221,026.30, 331,541.70 and 176,933.32

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Solution

The fourth proportional to 221,026.30, 331,541.70 and 176,933.32 is: 265,401.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,026.30 : 331,541.70 = 176,933.32 : x
  2. Step 2: Convert to fraction form
    221,026.30/331,541.70 = 176,933.32/x
  3. Step 3: Cross multiply
    221,026.30x = 331,541.70 × 176,933.32
  4. Step 4: Simplify right side
    221,026.30x = 58,660,773,699.44
  5. Step 5: Solve for x
    x = 58,660,773,699.44/221,026.30
  6. Step 6: Final answer
    x = 265,401.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.