Finding the Fourth Proportional to 212,774.36, 293,596.99 and 122,133.74
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Solution
The fourth proportional to 212,774.36, 293,596.99 and 122,133.74 is: 168,526.40
Step by Step Solution
- Step 1: Write the proportion equation
212,774.36 : 293,596.99 = 122,133.74 : x - Step 2: Convert to fraction form
212,774.36/293,596.99 = 122,133.74/x - Step 3: Cross multiply
212,774.36x = 293,596.99 × 122,133.74 - Step 4: Simplify right side
212,774.36x = 35,858,096,668.12 - Step 5: Solve for x
x = 35,858,096,668.12/212,774.36 - Step 6: Final answer
x = 168,526.40
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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.