Finding the Fourth Proportional to 190,433.12, 262,849.92 and 118,770.08
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Solution
The fourth proportional to 190,433.12, 262,849.92 and 118,770.08 is: 163,935.28
Step by Step Solution
- Step 1: Write the proportion equation
190,433.12 : 262,849.92 = 118,770.08 : x - Step 2: Convert to fraction form
190,433.12/262,849.92 = 118,770.08/x - Step 3: Cross multiply
190,433.12x = 262,849.92 × 118,770.08 - Step 4: Simplify right side
190,433.12x = 31,218,706,026.39 - Step 5: Solve for x
x = 31,218,706,026.39/190,433.12 - Step 6: Final answer
x = 163,935.28
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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.