Finding the Fourth Proportional to 212,702.15, 293,529.12 and 117,208.62
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Solution
The fourth proportional to 212,702.15, 293,529.12 and 117,208.62 is: 161,747.98
Step by Step Solution
- Step 1: Write the proportion equation
212,702.15 : 293,529.12 = 117,208.62 : x - Step 2: Convert to fraction form
212,702.15/293,529.12 = 117,208.62/x - Step 3: Cross multiply
212,702.15x = 293,529.12 × 117,208.62 - Step 4: Simplify right side
212,702.15x = 34,404,142,645.48 - Step 5: Solve for x
x = 34,404,142,645.48/212,702.15 - Step 6: Final answer
x = 161,747.98
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1.5x scale
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.