Finding the Fourth Proportional to 232,198.56, 320,437.62 and 130,246.65
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Solution
The fourth proportional to 232,198.56, 320,437.62 and 130,246.65 is: 179,742.40
Step by Step Solution
- Step 1: Write the proportion equation
232,198.56 : 320,437.62 = 130,246.65 : x - Step 2: Convert to fraction form
232,198.56/320,437.62 = 130,246.65/x - Step 3: Cross multiply
232,198.56x = 320,437.62 × 130,246.65 - Step 4: Simplify right side
232,198.56x = 41,735,926,538.97 - Step 5: Solve for x
x = 41,735,926,538.97/232,198.56 - Step 6: Final answer
x = 179,742.40
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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.