Finding the Fourth Proportional to 212,867.18, 293,741.69 and 117,371.84
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Solution
The fourth proportional to 212,867.18, 293,741.69 and 117,371.84 is: 161,964.86
Step by Step Solution
- Step 1: Write the proportion equation
212,867.18 : 293,741.69 = 117,371.84 : x - Step 2: Convert to fraction form
212,867.18/293,741.69 = 117,371.84/x - Step 3: Cross multiply
212,867.18x = 293,741.69 × 117,371.84 - Step 4: Simplify right side
212,867.18x = 34,477,002,053.15 - Step 5: Solve for x
x = 34,477,002,053.15/212,867.18 - Step 6: Final answer
x = 161,964.86
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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.