Finding the Fourth Proportional to 192,603.80, 265,791.70 and 107,720.80
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Solution
The fourth proportional to 192,603.80, 265,791.70 and 107,720.80 is: 148,653.84
Step by Step Solution
- Step 1: Write the proportion equation
192,603.80 : 265,791.70 = 107,720.80 : x - Step 2: Convert to fraction form
192,603.80/265,791.70 = 107,720.80/x - Step 3: Cross multiply
192,603.80x = 265,791.70 × 107,720.80 - Step 4: Simplify right side
192,603.80x = 28,631,294,557.36 - Step 5: Solve for x
x = 28,631,294,557.36/192,603.80 - Step 6: Final answer
x = 148,653.84
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1.5x scale
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.