Home / 303,824.15-455,730.35-90,736.44

Finding the Fourth Proportional to 303,824.15, 455,730.35 and 90,736.44

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Solution

The fourth proportional to 303,824.15, 455,730.35 and 90,736.44 is: 136,102.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,824.15 : 455,730.35 = 90,736.44 : x
  2. Step 2: Convert to fraction form
    303,824.15/455,730.35 = 90,736.44/x
  3. Step 3: Cross multiply
    303,824.15x = 455,730.35 × 90,736.44
  4. Step 4: Simplify right side
    303,824.15x = 41,351,349,105.27
  5. Step 5: Solve for x
    x = 41,351,349,105.27/303,824.15
  6. Step 6: Final answer
    x = 136,102.91

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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.