Finding the Fourth Proportional to 242,581.08, 363,941.84 and 100,400.08
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Solution
The fourth proportional to 242,581.08, 363,941.84 and 100,400.08 is: 150,629.18
Step by Step Solution
- Step 1: Write the proportion equation
242,581.08 : 363,941.84 = 100,400.08 : x - Step 2: Convert to fraction form
242,581.08/363,941.84 = 100,400.08/x - Step 3: Cross multiply
242,581.08x = 363,941.84 × 100,400.08 - Step 4: Simplify right side
242,581.08x = 36,539,789,851.35 - Step 5: Solve for x
x = 36,539,789,851.35/242,581.08 - Step 6: Final answer
x = 150,629.18
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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.