Finding the Fourth Proportional to 190,245.36, 262,540.80 and 105,363.84
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Solution
The fourth proportional to 190,245.36, 262,540.80 and 105,363.84 is: 145,403.32
Step by Step Solution
- Step 1: Write the proportion equation
190,245.36 : 262,540.80 = 105,363.84 : x - Step 2: Convert to fraction form
190,245.36/262,540.80 = 105,363.84/x - Step 3: Cross multiply
190,245.36x = 262,540.80 × 105,363.84 - Step 4: Simplify right side
190,245.36x = 27,662,306,844.67 - Step 5: Solve for x
x = 27,662,306,844.67/190,245.36 - Step 6: Final answer
x = 145,403.32
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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.