Finding the Fourth Proportional to 476,058.80, 656,961.09 and 272,114.08
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Solution
The fourth proportional to 476,058.80, 656,961.09 and 272,114.08 is: 375,517.40
Step by Step Solution
- Step 1: Write the proportion equation
476,058.80 : 656,961.09 = 272,114.08 : x - Step 2: Convert to fraction form
476,058.80/656,961.09 = 272,114.08/x - Step 3: Cross multiply
476,058.80x = 656,961.09 × 272,114.08 - Step 4: Simplify right side
476,058.80x = 178,768,362,601.15 - Step 5: Solve for x
x = 178,768,362,601.15/476,058.80 - Step 6: Final answer
x = 375,517.40
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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.