Finding the Fourth Proportional to 212,808.99, 293,678.37 and 117,319.10
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Solution
The fourth proportional to 212,808.99, 293,678.37 and 117,319.10 is: 161,901.43
Step by Step Solution
- Step 1: Write the proportion equation
212,808.99 : 293,678.37 = 117,319.10 : x - Step 2: Convert to fraction form
212,808.99/293,678.37 = 117,319.10/x - Step 3: Cross multiply
212,808.99x = 293,678.37 × 117,319.10 - Step 4: Simplify right side
212,808.99x = 34,454,080,589.48 - Step 5: Solve for x
x = 34,454,080,589.48/212,808.99 - Step 6: Final answer
x = 161,901.43
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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.