Home / 331,067.72-456,818.95-208,541.05

Finding the Fourth Proportional to 331,067.72, 456,818.95 and 208,541.05

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Solution

The fourth proportional to 331,067.72, 456,818.95 and 208,541.05 is: 287,752.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,067.72 : 456,818.95 = 208,541.05 : x
  2. Step 2: Convert to fraction form
    331,067.72/456,818.95 = 208,541.05/x
  3. Step 3: Cross multiply
    331,067.72x = 456,818.95 × 208,541.05
  4. Step 4: Simplify right side
    331,067.72x = 95,265,503,492.90
  5. Step 5: Solve for x
    x = 95,265,503,492.90/331,067.72
  6. Step 6: Final answer
    x = 287,752.32

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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.