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Finding the Fourth Proportional to 255,125.80, 382,481.34 and 89,030.44

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Solution

The fourth proportional to 255,125.80, 382,481.34 and 89,030.44 is: 133,473.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,125.80 : 382,481.34 = 89,030.44 : x
  2. Step 2: Convert to fraction form
    255,125.80/382,481.34 = 89,030.44/x
  3. Step 3: Cross multiply
    255,125.80x = 382,481.34 × 89,030.44
  4. Step 4: Simplify right side
    255,125.80x = 34,052,481,991.99
  5. Step 5: Solve for x
    x = 34,052,481,991.99/255,125.80
  6. Step 6: Final answer
    x = 133,473.30

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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.