Finding the Fourth Proportional to 212,877.36, 293,764.05 and 117,388.08
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Solution
The fourth proportional to 212,877.36, 293,764.05 and 117,388.08 is: 161,991.85
Step by Step Solution
- Step 1: Write the proportion equation
212,877.36 : 293,764.05 = 117,388.08 : x - Step 2: Convert to fraction form
212,877.36/293,764.05 = 117,388.08/x - Step 3: Cross multiply
212,877.36x = 293,764.05 × 117,388.08 - Step 4: Simplify right side
212,877.36x = 34,484,397,802.52 - Step 5: Solve for x
x = 34,484,397,802.52/212,877.36 - Step 6: Final answer
x = 161,991.85
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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.