Finding the Fourth Proportional to 212,503.08, 293,260.70 and 117,013.19
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Solution
The fourth proportional to 212,503.08, 293,260.70 and 117,013.19 is: 161,481.75
Step by Step Solution
- Step 1: Write the proportion equation
212,503.08 : 293,260.70 = 117,013.19 : x - Step 2: Convert to fraction form
212,503.08/293,260.70 = 117,013.19/x - Step 3: Cross multiply
212,503.08x = 293,260.70 × 117,013.19 - Step 4: Simplify right side
212,503.08x = 34,315,370,008.63 - Step 5: Solve for x
x = 34,315,370,008.63/212,503.08 - Step 6: Final answer
x = 161,481.75
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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.