Finding the Fourth Proportional to 158,531.08, 218,766.01 and 94,903.96
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Solution
The fourth proportional to 158,531.08, 218,766.01 and 94,903.96 is: 130,963.35
Step by Step Solution
- Step 1: Write the proportion equation
158,531.08 : 218,766.01 = 94,903.96 : x - Step 2: Convert to fraction form
158,531.08/218,766.01 = 94,903.96/x - Step 3: Cross multiply
158,531.08x = 218,766.01 × 94,903.96 - Step 4: Simplify right side
158,531.08x = 20,761,760,662.40 - Step 5: Solve for x
x = 20,761,760,662.40/158,531.08 - Step 6: Final answer
x = 130,963.35
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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.