Finding the Fourth Proportional to 205,684.92, 283,844.36 and 115,040.52
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Solution
The fourth proportional to 205,684.92, 283,844.36 and 115,040.52 is: 158,755.45
Step by Step Solution
- Step 1: Write the proportion equation
205,684.92 : 283,844.36 = 115,040.52 : x - Step 2: Convert to fraction form
205,684.92/283,844.36 = 115,040.52/x - Step 3: Cross multiply
205,684.92x = 283,844.36 × 115,040.52 - Step 4: Simplify right side
205,684.92x = 32,653,602,773.47 - Step 5: Solve for x
x = 32,653,602,773.47/205,684.92 - Step 6: Final answer
x = 158,755.45
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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.