Finding the Fourth Proportional to 220,225.71, 330,387.78 and 70,474.99
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Solution
The fourth proportional to 220,225.71, 330,387.78 and 70,474.99 is: 105,728.23
Step by Step Solution
- Step 1: Write the proportion equation
220,225.71 : 330,387.78 = 70,474.99 : x - Step 2: Convert to fraction form
220,225.71/330,387.78 = 70,474.99/x - Step 3: Cross multiply
220,225.71x = 330,387.78 × 70,474.99 - Step 4: Simplify right side
220,225.71x = 23,284,075,491.62 - Step 5: Solve for x
x = 23,284,075,491.62/220,225.71 - Step 6: Final answer
x = 105,728.23
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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.