Finding the Fourth Proportional to 212,628.50, 293,424.18 and 117,135.26
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Solution
The fourth proportional to 212,628.50, 293,424.18 and 117,135.26 is: 161,644.92
Step by Step Solution
- Step 1: Write the proportion equation
212,628.50 : 293,424.18 = 117,135.26 : x - Step 2: Convert to fraction form
212,628.50/293,424.18 = 117,135.26/x - Step 3: Cross multiply
212,628.50x = 293,424.18 × 117,135.26 - Step 4: Simplify right side
212,628.50x = 34,370,317,614.59 - Step 5: Solve for x
x = 34,370,317,614.59/212,628.50 - Step 6: Final answer
x = 161,644.92
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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.