Finding the Fourth Proportional to 73,274.08, 109,874.16 and 52,202.08
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Solution
The fourth proportional to 73,274.08, 109,874.16 and 52,202.08 is: 78,276.79
Step by Step Solution
- Step 1: Write the proportion equation
73,274.08 : 109,874.16 = 52,202.08 : x - Step 2: Convert to fraction form
73,274.08/109,874.16 = 52,202.08/x - Step 3: Cross multiply
73,274.08x = 109,874.16 × 52,202.08 - Step 4: Simplify right side
73,274.08x = 5,735,659,690.25 - Step 5: Solve for x
x = 5,735,659,690.25/73,274.08 - Step 6: Final answer
x = 78,276.79
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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.