Finding the Fourth Proportional to 135,369.27, 186,392.33 and 120,235.63
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Solution
The fourth proportional to 135,369.27, 186,392.33 and 120,235.63 is: 165,554.55
Step by Step Solution
- Step 1: Write the proportion equation
135,369.27 : 186,392.33 = 120,235.63 : x - Step 2: Convert to fraction form
135,369.27/186,392.33 = 120,235.63/x - Step 3: Cross multiply
135,369.27x = 186,392.33 × 120,235.63 - Step 4: Simplify right side
135,369.27x = 22,410,999,224.72 - Step 5: Solve for x
x = 22,410,999,224.72/135,369.27 - Step 6: Final answer
x = 165,554.55
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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.