Finding the Fourth Proportional to 154,806.99, 213,542.92 and 97,355.18
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Solution
The fourth proportional to 154,806.99, 213,542.92 and 97,355.18 is: 134,293.09
Step by Step Solution
- Step 1: Write the proportion equation
154,806.99 : 213,542.92 = 97,355.18 : x - Step 2: Convert to fraction form
154,806.99/213,542.92 = 97,355.18/x - Step 3: Cross multiply
154,806.99x = 213,542.92 × 97,355.18 - Step 4: Simplify right side
154,806.99x = 20,789,509,704.79 - Step 5: Solve for x
x = 20,789,509,704.79/154,806.99 - Step 6: Final answer
x = 134,293.09
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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.