Finding the Fourth Proportional to 181,619.58, 272,418.30 and 86,917.08
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Solution
The fourth proportional to 181,619.58, 272,418.30 and 86,917.08 is: 130,370.32
Step by Step Solution
- Step 1: Write the proportion equation
181,619.58 : 272,418.30 = 86,917.08 : x - Step 2: Convert to fraction form
181,619.58/272,418.30 = 86,917.08/x - Step 3: Cross multiply
181,619.58x = 272,418.30 × 86,917.08 - Step 4: Simplify right side
181,619.58x = 23,677,803,174.56 - Step 5: Solve for x
x = 23,677,803,174.56/181,619.58 - Step 6: Final answer
x = 130,370.32
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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.