Finding the Fourth Proportional to 212,880.24, 293,794.44 and 122,248.08
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Solution
The fourth proportional to 212,880.24, 293,794.44 and 122,248.08 is: 168,713.67
Step by Step Solution
- Step 1: Write the proportion equation
212,880.24 : 293,794.44 = 122,248.08 : x - Step 2: Convert to fraction form
212,880.24/293,794.44 = 122,248.08/x - Step 3: Cross multiply
212,880.24x = 293,794.44 × 122,248.08 - Step 4: Simplify right side
212,880.24x = 35,915,806,204.68 - Step 5: Solve for x
x = 35,915,806,204.68/212,880.24 - Step 6: Final answer
x = 168,713.67
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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.