Finding the Fourth Proportional to 212,184.07, 292,808.17 and 116,690.75
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Solution
The fourth proportional to 212,184.07, 292,808.17 and 116,690.75 is: 161,030.02
Step by Step Solution
- Step 1: Write the proportion equation
212,184.07 : 292,808.17 = 116,690.75 : x - Step 2: Convert to fraction form
212,184.07/292,808.17 = 116,690.75/x - Step 3: Cross multiply
212,184.07x = 292,808.17 × 116,690.75 - Step 4: Simplify right side
212,184.07x = 34,168,004,379.97 - Step 5: Solve for x
x = 34,168,004,379.97/212,184.07 - Step 6: Final answer
x = 161,030.02
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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.