Finding the Fourth Proportional to 277,175.20, 415,957.20 and 177,577.60
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Solution
The fourth proportional to 277,175.20, 415,957.20 and 177,577.60 is: 266,490.95
Step by Step Solution
- Step 1: Write the proportion equation
277,175.20 : 415,957.20 = 177,577.60 : x - Step 2: Convert to fraction form
277,175.20/415,957.20 = 177,577.60/x - Step 3: Cross multiply
277,175.20x = 415,957.20 × 177,577.60 - Step 4: Simplify right side
277,175.20x = 73,864,681,278.72 - Step 5: Solve for x
x = 73,864,681,278.72/277,175.20 - Step 6: Final answer
x = 266,490.95
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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.