Finding the Fourth Proportional to 220,506.95, 304,322.19 and 129,891.44
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Solution
The fourth proportional to 220,506.95, 304,322.19 and 129,891.44 is: 179,263.50
Step by Step Solution
- Step 1: Write the proportion equation
220,506.95 : 304,322.19 = 129,891.44 : x - Step 2: Convert to fraction form
220,506.95/304,322.19 = 129,891.44/x - Step 3: Cross multiply
220,506.95x = 304,322.19 × 129,891.44 - Step 4: Simplify right side
220,506.95x = 39,528,847,483.05 - Step 5: Solve for x
x = 39,528,847,483.05/220,506.95 - Step 6: Final answer
x = 179,263.50
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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.