Finding the Fourth Proportional to 212,840.84, 293,722.56 and 117,350.96
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Solution
The fourth proportional to 212,840.84, 293,722.56 and 117,350.96 is: 161,945.54
Step by Step Solution
- Step 1: Write the proportion equation
212,840.84 : 293,722.56 = 117,350.96 : x - Step 2: Convert to fraction form
212,840.84/293,722.56 = 117,350.96/x - Step 3: Cross multiply
212,840.84x = 293,722.56 × 117,350.96 - Step 4: Simplify right side
212,840.84x = 34,468,624,389.66 - Step 5: Solve for x
x = 34,468,624,389.66/212,840.84 - Step 6: Final answer
x = 161,945.54
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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.