Finding the Fourth Proportional to 171,239.56, 236,536.52 and 131,445.08
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Solution
The fourth proportional to 171,239.56, 236,536.52 and 131,445.08 is: 181,567.63
Step by Step Solution
- Step 1: Write the proportion equation
171,239.56 : 236,536.52 = 131,445.08 : x - Step 2: Convert to fraction form
171,239.56/236,536.52 = 131,445.08/x - Step 3: Cross multiply
171,239.56x = 236,536.52 × 131,445.08 - Step 4: Simplify right side
171,239.56x = 31,091,561,794.32 - Step 5: Solve for x
x = 31,091,561,794.32/171,239.56 - Step 6: Final answer
x = 181,567.63
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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.