Finding the Fourth Proportional to 196,291.09, 294,215.91 and 99,957.99
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Solution
The fourth proportional to 196,291.09, 294,215.91 and 99,957.99 is: 149,824.58
Step by Step Solution
- Step 1: Write the proportion equation
196,291.09 : 294,215.91 = 99,957.99 : x - Step 2: Convert to fraction form
196,291.09/294,215.91 = 99,957.99/x - Step 3: Cross multiply
196,291.09x = 294,215.91 × 99,957.99 - Step 4: Simplify right side
196,291.09x = 29,409,230,989.62 - Step 5: Solve for x
x = 29,409,230,989.62/196,291.09 - Step 6: Final answer
x = 149,824.58
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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.