Finding the Fourth Proportional to 302,912.10, 454,362.99 and 89,679.09
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Solution
The fourth proportional to 302,912.10, 454,362.99 and 89,679.09 is: 134,517.11
Step by Step Solution
- Step 1: Write the proportion equation
302,912.10 : 454,362.99 = 89,679.09 : x - Step 2: Convert to fraction form
302,912.10/454,362.99 = 89,679.09/x - Step 3: Cross multiply
302,912.10x = 454,362.99 × 89,679.09 - Step 4: Simplify right side
302,912.10x = 40,746,859,472.88 - Step 5: Solve for x
x = 40,746,859,472.88/302,912.10 - Step 6: Final answer
x = 134,517.11
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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.