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Finding the Fourth Proportional to 275,133.60, 412,460.40 and 106,768.80

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Solution

The fourth proportional to 275,133.60, 412,460.40 and 106,768.80 is: 160,060.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,133.60 : 412,460.40 = 106,768.80 : x
  2. Step 2: Convert to fraction form
    275,133.60/412,460.40 = 106,768.80/x
  3. Step 3: Cross multiply
    275,133.60x = 412,460.40 × 106,768.80
  4. Step 4: Simplify right side
    275,133.60x = 44,037,901,955.52
  5. Step 5: Solve for x
    x = 44,037,901,955.52/275,133.60
  6. Step 6: Final answer
    x = 160,060.07

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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.