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Finding the Fourth Proportional to 255,219, 382,799.33 and 68,245.08

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Solution

The fourth proportional to 255,219, 382,799.33 and 68,245.08 is: 102,359.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,219 : 382,799.33 = 68,245.08 : x
  2. Step 2: Convert to fraction form
    255,219/382,799.33 = 68,245.08/x
  3. Step 3: Cross multiply
    255,219x = 382,799.33 × 68,245.08
  4. Step 4: Simplify right side
    255,219x = 26,124,170,899.80
  5. Step 5: Solve for x
    x = 26,124,170,899.80/255,219
  6. Step 6: Final answer
    x = 102,359.82

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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.