Finding the Fourth Proportional to 277,442.87, 382,841.82 and 161,133.62
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Solution
The fourth proportional to 277,442.87, 382,841.82 and 161,133.62 is: 222,347.35
Step by Step Solution
- Step 1: Write the proportion equation
277,442.87 : 382,841.82 = 161,133.62 : x - Step 2: Convert to fraction form
277,442.87/382,841.82 = 161,133.62/x - Step 3: Cross multiply
277,442.87x = 382,841.82 × 161,133.62 - Step 4: Simplify right side
277,442.87x = 61,688,686,429.78 - Step 5: Solve for x
x = 61,688,686,429.78/277,442.87 - Step 6: Final answer
x = 222,347.35
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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.