Home / 380,027.80-569,665.70-179,996.60

Finding the Fourth Proportional to 380,027.80, 569,665.70 and 179,996.60

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Solution

The fourth proportional to 380,027.80, 569,665.70 and 179,996.60 is: 269,816.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,027.80 : 569,665.70 = 179,996.60 : x
  2. Step 2: Convert to fraction form
    380,027.80/569,665.70 = 179,996.60/x
  3. Step 3: Cross multiply
    380,027.80x = 569,665.70 × 179,996.60
  4. Step 4: Simplify right side
    380,027.80x = 102,537,889,136.62
  5. Step 5: Solve for x
    x = 102,537,889,136.62/380,027.80
  6. Step 6: Final answer
    x = 269,816.81

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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.