Finding the Fourth Proportional to 212,702.67, 293,535.97 and 117,215.55
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Solution
The fourth proportional to 212,702.67, 293,535.97 and 117,215.55 is: 161,760.92
Step by Step Solution
- Step 1: Write the proportion equation
212,702.67 : 293,535.97 = 117,215.55 : x - Step 2: Convert to fraction form
212,702.67/293,535.97 = 117,215.55/x - Step 3: Cross multiply
212,702.67x = 293,535.97 × 117,215.55 - Step 4: Simplify right side
212,702.67x = 34,406,979,875.29 - Step 5: Solve for x
x = 34,406,979,875.29/212,702.67 - Step 6: Final answer
x = 161,760.92
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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.