Finding the Fourth Proportional to 165,786.08, 248,727.64 and 53,464.05
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Solution
The fourth proportional to 165,786.08, 248,727.64 and 53,464.05 is: 80,211.72
Step by Step Solution
- Step 1: Write the proportion equation
165,786.08 : 248,727.64 = 53,464.05 : x - Step 2: Convert to fraction form
165,786.08/248,727.64 = 53,464.05/x - Step 3: Cross multiply
165,786.08x = 248,727.64 × 53,464.05 - Step 4: Simplify right side
165,786.08x = 13,297,986,981.34 - Step 5: Solve for x
x = 13,297,986,981.34/165,786.08 - Step 6: Final answer
x = 80,211.72
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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.