Finding the Fourth Proportional to 163,021.80, 244,532.70 and 74,448.30
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Solution
The fourth proportional to 163,021.80, 244,532.70 and 74,448.30 is: 111,672.45
Step by Step Solution
- Step 1: Write the proportion equation
163,021.80 : 244,532.70 = 74,448.30 : x - Step 2: Convert to fraction form
163,021.80/244,532.70 = 74,448.30/x - Step 3: Cross multiply
163,021.80x = 244,532.70 × 74,448.30 - Step 4: Simplify right side
163,021.80x = 18,205,043,809.41 - Step 5: Solve for x
x = 18,205,043,809.41/163,021.80 - Step 6: Final answer
x = 111,672.45
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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.