Finding the Fourth Proportional to 194,665.19, 268,619.29 and 118,226.12
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Solution
The fourth proportional to 194,665.19, 268,619.29 and 118,226.12 is: 163,140.70
Step by Step Solution
- Step 1: Write the proportion equation
194,665.19 : 268,619.29 = 118,226.12 : x - Step 2: Convert to fraction form
194,665.19/268,619.29 = 118,226.12/x - Step 3: Cross multiply
194,665.19x = 268,619.29 × 118,226.12 - Step 4: Simplify right side
194,665.19x = 31,757,814,775.19 - Step 5: Solve for x
x = 31,757,814,775.19/194,665.19 - Step 6: Final answer
x = 163,140.70
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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.