Home / 330,115.64-455,563.24-186,872.54

Finding the Fourth Proportional to 330,115.64, 455,563.24 and 186,872.54

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Solution

The fourth proportional to 330,115.64, 455,563.24 and 186,872.54 is: 257,886.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,115.64 : 455,563.24 = 186,872.54 : x
  2. Step 2: Convert to fraction form
    330,115.64/455,563.24 = 186,872.54/x
  3. Step 3: Cross multiply
    330,115.64x = 455,563.24 × 186,872.54
  4. Step 4: Simplify right side
    330,115.64x = 85,132,257,044.43
  5. Step 5: Solve for x
    x = 85,132,257,044.43/330,115.64
  6. Step 6: Final answer
    x = 257,886.17

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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.