Finding the Fourth Proportional to 268,345.14, 370,286.55 and 160,919.70
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Solution
The fourth proportional to 268,345.14, 370,286.55 and 160,919.70 is: 222,051.35
Step by Step Solution
- Step 1: Write the proportion equation
268,345.14 : 370,286.55 = 160,919.70 : x - Step 2: Convert to fraction form
268,345.14/370,286.55 = 160,919.70/x - Step 3: Cross multiply
268,345.14x = 370,286.55 × 160,919.70 - Step 4: Simplify right side
268,345.14x = 59,586,400,540.04 - Step 5: Solve for x
x = 59,586,400,540.04/268,345.14 - Step 6: Final answer
x = 222,051.35
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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.