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Finding the Fourth Proportional to 350,100.60, 525,150.90 and 266,119.80

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Solution

The fourth proportional to 350,100.60, 525,150.90 and 266,119.80 is: 399,179.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,100.60 : 525,150.90 = 266,119.80 : x
  2. Step 2: Convert to fraction form
    350,100.60/525,150.90 = 266,119.80/x
  3. Step 3: Cross multiply
    350,100.60x = 525,150.90 × 266,119.80
  4. Step 4: Simplify right side
    350,100.60x = 139,753,052,477.82
  5. Step 5: Solve for x
    x = 139,753,052,477.82/350,100.60
  6. Step 6: Final answer
    x = 399,179.70

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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.