Finding the Fourth Proportional to 212,910.09, 293,812.41 and 117,425.67
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Solution
The fourth proportional to 212,910.09, 293,812.41 and 117,425.67 is: 162,045.49
Step by Step Solution
- Step 1: Write the proportion equation
212,910.09 : 293,812.41 = 117,425.67 : x - Step 2: Convert to fraction form
212,910.09/293,812.41 = 117,425.67/x - Step 3: Cross multiply
212,910.09x = 293,812.41 × 117,425.67 - Step 4: Simplify right side
212,910.09x = 34,501,119,098.56 - Step 5: Solve for x
x = 34,501,119,098.56/212,910.09 - Step 6: Final answer
x = 162,045.49
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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.