Finding the Fourth Proportional to 268,674.12, 370,770.30 and 147,812.82
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Solution
The fourth proportional to 268,674.12, 370,770.30 and 147,812.82 is: 203,981.70
Step by Step Solution
- Step 1: Write the proportion equation
268,674.12 : 370,770.30 = 147,812.82 : x - Step 2: Convert to fraction form
268,674.12/370,770.30 = 147,812.82/x - Step 3: Cross multiply
268,674.12x = 370,770.30 × 147,812.82 - Step 4: Simplify right side
268,674.12x = 54,804,603,615.25 - Step 5: Solve for x
x = 54,804,603,615.25/268,674.12 - Step 6: Final answer
x = 203,981.70
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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.