Finding the Fourth Proportional to 220,918.18, 304,848.96 and 124,116.70
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Solution
The fourth proportional to 220,918.18, 304,848.96 and 124,116.70 is: 171,270.86
Step by Step Solution
- Step 1: Write the proportion equation
220,918.18 : 304,848.96 = 124,116.70 : x - Step 2: Convert to fraction form
220,918.18/304,848.96 = 124,116.70/x - Step 3: Cross multiply
220,918.18x = 304,848.96 × 124,116.70 - Step 4: Simplify right side
220,918.18x = 37,836,846,913.63 - Step 5: Solve for x
x = 37,836,846,913.63/220,918.18 - Step 6: Final answer
x = 171,270.86
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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.