Home / 356,118.72-491,467.52-205,225.44

Finding the Fourth Proportional to 356,118.72, 491,467.52 and 205,225.44

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Solution

The fourth proportional to 356,118.72, 491,467.52 and 205,225.44 is: 283,224.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,118.72 : 491,467.52 = 205,225.44 : x
  2. Step 2: Convert to fraction form
    356,118.72/491,467.52 = 205,225.44/x
  3. Step 3: Cross multiply
    356,118.72x = 491,467.52 × 205,225.44
  4. Step 4: Simplify right side
    356,118.72x = 100,861,638,037.71
  5. Step 5: Solve for x
    x = 100,861,638,037.71/356,118.72
  6. Step 6: Final answer
    x = 283,224.76

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1.5x scale

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.