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Finding the Fourth Proportional to 202,049.80, 303,258.30 and 102,279.40

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Solution

The fourth proportional to 202,049.80, 303,258.30 and 102,279.40 is: 153,512.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,049.80 : 303,258.30 = 102,279.40 : x
  2. Step 2: Convert to fraction form
    202,049.80/303,258.30 = 102,279.40/x
  3. Step 3: Cross multiply
    202,049.80x = 303,258.30 × 102,279.40
  4. Step 4: Simplify right side
    202,049.80x = 31,017,076,969.02
  5. Step 5: Solve for x
    x = 31,017,076,969.02/202,049.80
  6. Step 6: Final answer
    x = 153,512.04

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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.