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Finding the Fourth Proportional to 255,173.58, 352,136.76 and 140,449.77

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Solution

The fourth proportional to 255,173.58, 352,136.76 and 140,449.77 is: 193,819.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,173.58 : 352,136.76 = 140,449.77 : x
  2. Step 2: Convert to fraction form
    255,173.58/352,136.76 = 140,449.77/x
  3. Step 3: Cross multiply
    255,173.58x = 352,136.76 × 140,449.77
  4. Step 4: Simplify right side
    255,173.58x = 49,457,525,630.03
  5. Step 5: Solve for x
    x = 49,457,525,630.03/255,173.58
  6. Step 6: Final answer
    x = 193,819.15

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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.