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Finding the Fourth Proportional to 321,383.84, 481,660.57 and 152,955.80

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Solution

The fourth proportional to 321,383.84, 481,660.57 and 152,955.80 is: 229,236.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,383.84 : 481,660.57 = 152,955.80 : x
  2. Step 2: Convert to fraction form
    321,383.84/481,660.57 = 152,955.80/x
  3. Step 3: Cross multiply
    321,383.84x = 481,660.57 × 152,955.80
  4. Step 4: Simplify right side
    321,383.84x = 73,672,775,617.07
  5. Step 5: Solve for x
    x = 73,672,775,617.07/321,383.84
  6. Step 6: Final answer
    x = 229,236.09

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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.