Home / 255,100.32-382,207.20-179,037.60

Finding the Fourth Proportional to 255,100.32, 382,207.20 and 179,037.60

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Solution

The fourth proportional to 255,100.32, 382,207.20 and 179,037.60 is: 268,245.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,100.32 : 382,207.20 = 179,037.60 : x
  2. Step 2: Convert to fraction form
    255,100.32/382,207.20 = 179,037.60/x
  3. Step 3: Cross multiply
    255,100.32x = 382,207.20 × 179,037.60
  4. Step 4: Simplify right side
    255,100.32x = 68,429,459,790.72
  5. Step 5: Solve for x
    x = 68,429,459,790.72/255,100.32
  6. Step 6: Final answer
    x = 268,245.29

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1.5x scale

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.