Home / 202,127.10-303,190.65-192,285.60

Finding the Fourth Proportional to 202,127.10, 303,190.65 and 192,285.60

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Solution

The fourth proportional to 202,127.10, 303,190.65 and 192,285.60 is: 288,428.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,127.10 : 303,190.65 = 192,285.60 : x
  2. Step 2: Convert to fraction form
    202,127.10/303,190.65 = 192,285.60/x
  3. Step 3: Cross multiply
    202,127.10x = 303,190.65 × 192,285.60
  4. Step 4: Simplify right side
    202,127.10x = 58,299,196,049.64
  5. Step 5: Solve for x
    x = 58,299,196,049.64/202,127.10
  6. Step 6: Final answer
    x = 288,428.40

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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.