Finding the Fourth Proportional to 207,052.80, 285,643.63 and 130,511.44
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Solution
The fourth proportional to 207,052.80, 285,643.63 and 130,511.44 is: 180,049.54
Step by Step Solution
- Step 1: Write the proportion equation
207,052.80 : 285,643.63 = 130,511.44 : x - Step 2: Convert to fraction form
207,052.80/285,643.63 = 130,511.44/x - Step 3: Cross multiply
207,052.80x = 285,643.63 × 130,511.44 - Step 4: Simplify right side
207,052.80x = 37,279,761,478.13 - Step 5: Solve for x
x = 37,279,761,478.13/207,052.80 - Step 6: Final answer
x = 180,049.54
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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.