Finding the Fourth Proportional to 122,369.00, 168,964.79 and 79,368.93
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Solution
The fourth proportional to 122,369.00, 168,964.79 and 79,368.93 is: 109,591.11
Step by Step Solution
- Step 1: Write the proportion equation
122,369.00 : 168,964.79 = 79,368.93 : x - Step 2: Convert to fraction form
122,369.00/168,964.79 = 79,368.93/x - Step 3: Cross multiply
122,369.00x = 168,964.79 × 79,368.93 - Step 4: Simplify right side
122,369.00x = 13,410,554,193.13 - Step 5: Solve for x
x = 13,410,554,193.13/122,369.00 - Step 6: Final answer
x = 109,591.11
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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.