Finding the Fourth Proportional to 302,969.24, 418,496.88 and 226,355.18
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Solution
The fourth proportional to 302,969.24, 418,496.88 and 226,355.18 is: 312,668.50
Step by Step Solution
- Step 1: Write the proportion equation
302,969.24 : 418,496.88 = 226,355.18 : x - Step 2: Convert to fraction form
302,969.24/418,496.88 = 226,355.18/x - Step 3: Cross multiply
302,969.24x = 418,496.88 × 226,355.18 - Step 4: Simplify right side
302,969.24x = 94,728,936,601.84 - Step 5: Solve for x
x = 94,728,936,601.84/302,969.24 - Step 6: Final answer
x = 312,668.50
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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.