Finding the Fourth Proportional to 204,506.11, 306,832.98 and 71,405.98
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Solution
The fourth proportional to 204,506.11, 306,832.98 and 71,405.98 is: 107,134.74
Step by Step Solution
- Step 1: Write the proportion equation
204,506.11 : 306,832.98 = 71,405.98 : x - Step 2: Convert to fraction form
204,506.11/306,832.98 = 71,405.98/x - Step 3: Cross multiply
204,506.11x = 306,832.98 × 71,405.98 - Step 4: Simplify right side
204,506.11x = 21,909,709,633.22 - Step 5: Solve for x
x = 21,909,709,633.22/204,506.11 - Step 6: Final answer
x = 107,134.74
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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.