Finding the Fourth Proportional to 206,625.42, 309,927.12 and 66,373.08
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Solution
The fourth proportional to 206,625.42, 309,927.12 and 66,373.08 is: 99,556.08
Step by Step Solution
- Step 1: Write the proportion equation
206,625.42 : 309,927.12 = 66,373.08 : x - Step 2: Convert to fraction form
206,625.42/309,927.12 = 66,373.08/x - Step 3: Cross multiply
206,625.42x = 309,927.12 × 66,373.08 - Step 4: Simplify right side
206,625.42x = 20,570,817,529.93 - Step 5: Solve for x
x = 20,570,817,529.93/206,625.42 - Step 6: Final answer
x = 99,556.08
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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.