Finding the Fourth Proportional to 206,503.24, 309,312.60 and 101,102.80
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Solution
The fourth proportional to 206,503.24, 309,312.60 and 101,102.80 is: 151,437.67
Step by Step Solution
- Step 1: Write the proportion equation
206,503.24 : 309,312.60 = 101,102.80 : x - Step 2: Convert to fraction form
206,503.24/309,312.60 = 101,102.80/x - Step 3: Cross multiply
206,503.24x = 309,312.60 × 101,102.80 - Step 4: Simplify right side
206,503.24x = 31,272,369,935.28 - Step 5: Solve for x
x = 31,272,369,935.28/206,503.24 - Step 6: Final answer
x = 151,437.67
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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.