Finding the Fourth Proportional to 220,477.68, 330,717.24 and 54,265.68
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Solution
The fourth proportional to 220,477.68, 330,717.24 and 54,265.68 is: 81,398.70
Step by Step Solution
- Step 1: Write the proportion equation
220,477.68 : 330,717.24 = 54,265.68 : x - Step 2: Convert to fraction form
220,477.68/330,717.24 = 54,265.68/x - Step 3: Cross multiply
220,477.68x = 330,717.24 × 54,265.68 - Step 4: Simplify right side
220,477.68x = 17,946,595,916.32 - Step 5: Solve for x
x = 17,946,595,916.32/220,477.68 - Step 6: Final answer
x = 81,398.70
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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.