Finding the Fourth Proportional to 212,293.15, 292,965.08 and 116,805.79
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Solution
The fourth proportional to 212,293.15, 292,965.08 and 116,805.79 is: 161,192.28
Step by Step Solution
- Step 1: Write the proportion equation
212,293.15 : 292,965.08 = 116,805.79 : x - Step 2: Convert to fraction form
212,293.15/292,965.08 = 116,805.79/x - Step 3: Cross multiply
212,293.15x = 292,965.08 × 116,805.79 - Step 4: Simplify right side
212,293.15x = 34,220,017,611.81 - Step 5: Solve for x
x = 34,220,017,611.81/212,293.15 - Step 6: Final answer
x = 161,192.28
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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.