Finding the Fourth Proportional to 220,224.21, 330,385.53 and 70,473.49
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Solution
The fourth proportional to 220,224.21, 330,385.53 and 70,473.49 is: 105,725.98
Step by Step Solution
- Step 1: Write the proportion equation
220,224.21 : 330,385.53 = 70,473.49 : x - Step 2: Convert to fraction form
220,224.21/330,385.53 = 70,473.49/x - Step 3: Cross multiply
220,224.21x = 330,385.53 × 70,473.49 - Step 4: Simplify right side
220,224.21x = 23,283,421,344.60 - Step 5: Solve for x
x = 23,283,421,344.60/220,224.21 - Step 6: Final answer
x = 105,725.98
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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.