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Finding the Fourth Proportional to 383,331.84, 574,887.02 and 130,606.73

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Solution

The fourth proportional to 383,331.84, 574,887.02 and 130,606.73 is: 195,872.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,331.84 : 574,887.02 = 130,606.73 : x
  2. Step 2: Convert to fraction form
    383,331.84/574,887.02 = 130,606.73/x
  3. Step 3: Cross multiply
    383,331.84x = 574,887.02 × 130,606.73
  4. Step 4: Simplify right side
    383,331.84x = 75,084,113,164.67
  5. Step 5: Solve for x
    x = 75,084,113,164.67/383,331.84
  6. Step 6: Final answer
    x = 195,872.36

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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.