Finding the Fourth Proportional to 212,743.96, 293,586.05 and 117,250.63
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Solution
The fourth proportional to 212,743.96, 293,586.05 and 117,250.63 is: 161,805.53
Step by Step Solution
- Step 1: Write the proportion equation
212,743.96 : 293,586.05 = 117,250.63 : x - Step 2: Convert to fraction form
212,743.96/293,586.05 = 117,250.63/x - Step 3: Cross multiply
212,743.96x = 293,586.05 × 117,250.63 - Step 4: Simplify right side
212,743.96x = 34,423,148,880.87 - Step 5: Solve for x
x = 34,423,148,880.87/212,743.96 - Step 6: Final answer
x = 161,805.53
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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.