Finding the Fourth Proportional to 147,033.25, 220,194.63 and 83,661.41
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Solution
The fourth proportional to 147,033.25, 220,194.63 and 83,661.41 is: 125,289.99
Step by Step Solution
- Step 1: Write the proportion equation
147,033.25 : 220,194.63 = 83,661.41 : x - Step 2: Convert to fraction form
147,033.25/220,194.63 = 83,661.41/x - Step 3: Cross multiply
147,033.25x = 220,194.63 × 83,661.41 - Step 4: Simplify right side
147,033.25x = 18,421,793,770.71 - Step 5: Solve for x
x = 18,421,793,770.71/147,033.25 - Step 6: Final answer
x = 125,289.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.