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Finding the Fourth Proportional to 202,355.75, 303,533.40 and 60,200.45

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Solution

The fourth proportional to 202,355.75, 303,533.40 and 60,200.45 is: 90,300.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,355.75 : 303,533.40 = 60,200.45 : x
  2. Step 2: Convert to fraction form
    202,355.75/303,533.40 = 60,200.45/x
  3. Step 3: Cross multiply
    202,355.75x = 303,533.40 × 60,200.45
  4. Step 4: Simplify right side
    202,355.75x = 18,272,847,270.03
  5. Step 5: Solve for x
    x = 18,272,847,270.03/202,355.75
  6. Step 6: Final answer
    x = 90,300.61

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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.