Finding the Fourth Proportional to 225,805.62, 311,611.41 and 130,312.29
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Solution
The fourth proportional to 225,805.62, 311,611.41 and 130,312.29 is: 179,830.76
Step by Step Solution
- Step 1: Write the proportion equation
225,805.62 : 311,611.41 = 130,312.29 : x - Step 2: Convert to fraction form
225,805.62/311,611.41 = 130,312.29/x - Step 3: Cross multiply
225,805.62x = 311,611.41 × 130,312.29 - Step 4: Simplify right side
225,805.62x = 40,606,796,427.23 - Step 5: Solve for x
x = 40,606,796,427.23/225,805.62 - Step 6: Final answer
x = 179,830.76
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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.