Finding the Fourth Proportional to 220,536.95, 304,754.70 and 180,236.00
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Solution
The fourth proportional to 220,536.95, 304,754.70 and 180,236.00 is: 249,063.80
Step by Step Solution
- Step 1: Write the proportion equation
220,536.95 : 304,754.70 = 180,236.00 : x - Step 2: Convert to fraction form
220,536.95/304,754.70 = 180,236.00/x - Step 3: Cross multiply
220,536.95x = 304,754.70 × 180,236.00 - Step 4: Simplify right side
220,536.95x = 54,927,769,546.97 - Step 5: Solve for x
x = 54,927,769,546.97/220,536.95 - Step 6: Final answer
x = 249,063.80
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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.