Finding the Fourth Proportional to 345,778.47, 477,175.80 and 192,816.18
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Solution
The fourth proportional to 345,778.47, 477,175.80 and 192,816.18 is: 266,087.17
Step by Step Solution
- Step 1: Write the proportion equation
345,778.47 : 477,175.80 = 192,816.18 : x - Step 2: Convert to fraction form
345,778.47/477,175.80 = 192,816.18/x - Step 3: Cross multiply
345,778.47x = 477,175.80 × 192,816.18 - Step 4: Simplify right side
345,778.47x = 92,007,214,944.44 - Step 5: Solve for x
x = 92,007,214,944.44/345,778.47 - Step 6: Final answer
x = 266,087.17
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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.