Finding the Fourth Proportional to 158,701.63, 218,974.02 and 91,594.75
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Solution
The fourth proportional to 158,701.63, 218,974.02 and 91,594.75 is: 126,381.00
Step by Step Solution
- Step 1: Write the proportion equation
158,701.63 : 218,974.02 = 91,594.75 : x - Step 2: Convert to fraction form
158,701.63/218,974.02 = 91,594.75/x - Step 3: Cross multiply
158,701.63x = 218,974.02 × 91,594.75 - Step 4: Simplify right side
158,701.63x = 20,056,870,618.40 - Step 5: Solve for x
x = 20,056,870,618.40/158,701.63 - Step 6: Final answer
x = 126,381.00
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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.