Finding the Fourth Proportional to 264,841.08, 365,487.90 and 143,990.49
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Solution
The fourth proportional to 264,841.08, 365,487.90 and 143,990.49 is: 198,710.80
Step by Step Solution
- Step 1: Write the proportion equation
264,841.08 : 365,487.90 = 143,990.49 : x - Step 2: Convert to fraction form
264,841.08/365,487.90 = 143,990.49/x - Step 3: Cross multiply
264,841.08x = 365,487.90 × 143,990.49 - Step 4: Simplify right side
264,841.08x = 52,626,782,640.69 - Step 5: Solve for x
x = 52,626,782,640.69/264,841.08 - Step 6: Final answer
x = 198,710.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.