Finding the Fourth Proportional to 207,435.09, 286,262.46 and 116,773.41
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Solution
The fourth proportional to 207,435.09, 286,262.46 and 116,773.41 is: 161,148.45
Step by Step Solution
- Step 1: Write the proportion equation
207,435.09 : 286,262.46 = 116,773.41 : x - Step 2: Convert to fraction form
207,435.09/286,262.46 = 116,773.41/x - Step 3: Cross multiply
207,435.09x = 286,262.46 × 116,773.41 - Step 4: Simplify right side
207,435.09x = 33,427,843,609.19 - Step 5: Solve for x
x = 33,427,843,609.19/207,435.09 - Step 6: Final answer
x = 161,148.45
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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.