Finding the Fourth Proportional to 220,976.74, 304,955.23 and 124,197.44
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Solution
The fourth proportional to 220,976.74, 304,955.23 and 124,197.44 is: 171,396.58
Step by Step Solution
- Step 1: Write the proportion equation
220,976.74 : 304,955.23 = 124,197.44 : x - Step 2: Convert to fraction form
220,976.74/304,955.23 = 124,197.44/x - Step 3: Cross multiply
220,976.74x = 304,955.23 × 124,197.44 - Step 4: Simplify right side
220,976.74x = 37,874,657,278.21 - Step 5: Solve for x
x = 37,874,657,278.21/220,976.74 - Step 6: Final answer
x = 171,396.58
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1.5x scale
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.