Finding the Fourth Proportional to 190,620.08, 263,064.30 and 105,737.12
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Solution
The fourth proportional to 190,620.08, 263,064.30 and 105,737.12 is: 145,921.99
Step by Step Solution
- Step 1: Write the proportion equation
190,620.08 : 263,064.30 = 105,737.12 : x - Step 2: Convert to fraction form
190,620.08/263,064.30 = 105,737.12/x - Step 3: Cross multiply
190,620.08x = 263,064.30 × 105,737.12 - Step 4: Simplify right side
190,620.08x = 27,815,661,456.82 - Step 5: Solve for x
x = 27,815,661,456.82/190,620.08 - Step 6: Final answer
x = 145,921.99
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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.