Finding the Fourth Proportional to 154,586.28, 213,347.40 and 94,192.68
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Solution
The fourth proportional to 154,586.28, 213,347.40 and 94,192.68 is: 129,997.07
Step by Step Solution
- Step 1: Write the proportion equation
154,586.28 : 213,347.40 = 94,192.68 : x - Step 2: Convert to fraction form
154,586.28/213,347.40 = 94,192.68/x - Step 3: Cross multiply
154,586.28x = 213,347.40 × 94,192.68 - Step 4: Simplify right side
154,586.28x = 20,095,763,377.03 - Step 5: Solve for x
x = 20,095,763,377.03/154,586.28 - Step 6: Final answer
x = 129,997.07
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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.