Finding the Fourth Proportional to 192,620.80, 265,815.18 and 107,737.80
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Solution
The fourth proportional to 192,620.80, 265,815.18 and 107,737.80 is: 148,677.31
Step by Step Solution
- Step 1: Write the proportion equation
192,620.80 : 265,815.18 = 107,737.80 : x - Step 2: Convert to fraction form
192,620.80/265,815.18 = 107,737.80/x - Step 3: Cross multiply
192,620.80x = 265,815.18 × 107,737.80 - Step 4: Simplify right side
192,620.80x = 28,638,342,699.80 - Step 5: Solve for x
x = 28,638,342,699.80/192,620.80 - Step 6: Final answer
x = 148,677.31
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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.