Finding the Fourth Proportional to 212,152.53, 292,770.14 and 121,537.83
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Solution
The fourth proportional to 212,152.53, 292,770.14 and 121,537.83 is: 167,722.00
Step by Step Solution
- Step 1: Write the proportion equation
212,152.53 : 292,770.14 = 121,537.83 : x - Step 2: Convert to fraction form
212,152.53/292,770.14 = 121,537.83/x - Step 3: Cross multiply
212,152.53x = 292,770.14 × 121,537.83 - Step 4: Simplify right side
212,152.53x = 35,582,646,896.71 - Step 5: Solve for x
x = 35,582,646,896.71/212,152.53 - Step 6: Final answer
x = 167,722.00
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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.