Finding the Fourth Proportional to 206,779.72, 310,198.62 and 101,602.84
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Solution
The fourth proportional to 206,779.72, 310,198.62 and 101,602.84 is: 152,418.53
Step by Step Solution
- Step 1: Write the proportion equation
206,779.72 : 310,198.62 = 101,602.84 : x - Step 2: Convert to fraction form
206,779.72/310,198.62 = 101,602.84/x - Step 3: Cross multiply
206,779.72x = 310,198.62 × 101,602.84 - Step 4: Simplify right side
206,779.72x = 31,517,060,756.08 - Step 5: Solve for x
x = 31,517,060,756.08/206,779.72 - Step 6: Final answer
x = 152,418.53
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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.