Finding the Fourth Proportional to 163,794.79, 226,038.42 and 91,198.69
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Solution
The fourth proportional to 163,794.79, 226,038.42 and 91,198.69 is: 125,855.09
Step by Step Solution
- Step 1: Write the proportion equation
163,794.79 : 226,038.42 = 91,198.69 : x - Step 2: Convert to fraction form
163,794.79/226,038.42 = 91,198.69/x - Step 3: Cross multiply
163,794.79x = 226,038.42 × 91,198.69 - Step 4: Simplify right side
163,794.79x = 20,614,408,756.54 - Step 5: Solve for x
x = 20,614,408,756.54/163,794.79 - Step 6: Final answer
x = 125,855.09
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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.