Finding the Fourth Proportional to 238,690.62, 358,035.94 and 113,652.54
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Solution
The fourth proportional to 238,690.62, 358,035.94 and 113,652.54 is: 170,478.81
Step by Step Solution
- Step 1: Write the proportion equation
238,690.62 : 358,035.94 = 113,652.54 : x - Step 2: Convert to fraction form
238,690.62/358,035.94 = 113,652.54/x - Step 3: Cross multiply
238,690.62x = 358,035.94 × 113,652.54 - Step 4: Simplify right side
238,690.62x = 40,691,693,992.29 - Step 5: Solve for x
x = 40,691,693,992.29/238,690.62 - Step 6: Final answer
x = 170,478.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.