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Finding the Fourth Proportional to 202,047.10, 303,107.10 and 101,955.40

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Solution

The fourth proportional to 202,047.10, 303,107.10 and 101,955.40 is: 152,951.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,047.10 : 303,107.10 = 101,955.40 : x
  2. Step 2: Convert to fraction form
    202,047.10/303,107.10 = 101,955.40/x
  3. Step 3: Cross multiply
    202,047.10x = 303,107.10 × 101,955.40
  4. Step 4: Simplify right side
    202,047.10x = 30,903,405,623.34
  5. Step 5: Solve for x
    x = 30,903,405,623.34/202,047.10
  6. Step 6: Final answer
    x = 152,951.49

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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.