Finding the Fourth Proportional to 181,358.64, 271,524.68 and 138,615.08
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Solution
The fourth proportional to 181,358.64, 271,524.68 and 138,615.08 is: 207,530.31
Step by Step Solution
- Step 1: Write the proportion equation
181,358.64 : 271,524.68 = 138,615.08 : x - Step 2: Convert to fraction form
181,358.64/271,524.68 = 138,615.08/x - Step 3: Cross multiply
181,358.64x = 271,524.68 × 138,615.08 - Step 4: Simplify right side
181,358.64x = 37,637,415,240.17 - Step 5: Solve for x
x = 37,637,415,240.17/181,358.64 - Step 6: Final answer
x = 207,530.31
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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.