Finding the Fourth Proportional to 237,836.68, 328,212.16 and 130,406.53
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Solution
The fourth proportional to 237,836.68, 328,212.16 and 130,406.53 is: 179,959.66
Step by Step Solution
- Step 1: Write the proportion equation
237,836.68 : 328,212.16 = 130,406.53 : x - Step 2: Convert to fraction form
237,836.68/328,212.16 = 130,406.53/x - Step 3: Cross multiply
237,836.68x = 328,212.16 × 130,406.53 - Step 4: Simplify right side
237,836.68x = 42,801,008,889.40 - Step 5: Solve for x
x = 42,801,008,889.40/237,836.68 - Step 6: Final answer
x = 179,959.66
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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.