Finding the Fourth Proportional to 237,940.97, 328,367.72 and 130,515.53
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Solution
The fourth proportional to 237,940.97, 328,367.72 and 130,515.53 is: 180,116.47
Step by Step Solution
- Step 1: Write the proportion equation
237,940.97 : 328,367.72 = 130,515.53 : x - Step 2: Convert to fraction form
237,940.97/328,367.72 = 130,515.53/x - Step 3: Cross multiply
237,940.97x = 328,367.72 × 130,515.53 - Step 4: Simplify right side
237,940.97x = 42,857,085,695.14 - Step 5: Solve for x
x = 42,857,085,695.14/237,940.97 - Step 6: Final answer
x = 180,116.47
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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.