Finding the Fourth Proportional to 212,679.04, 293,497.20 and 117,184.96
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Solution
The fourth proportional to 212,679.04, 293,497.20 and 117,184.96 is: 161,715.31
Step by Step Solution
- Step 1: Write the proportion equation
212,679.04 : 293,497.20 = 117,184.96 : x - Step 2: Convert to fraction form
212,679.04/293,497.20 = 117,184.96/x - Step 3: Cross multiply
212,679.04x = 293,497.20 × 117,184.96 - Step 4: Simplify right side
212,679.04x = 34,393,457,642.11 - Step 5: Solve for x
x = 34,393,457,642.11/212,679.04 - Step 6: Final answer
x = 161,715.31
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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.