Finding the Fourth Proportional to 205,193.48, 283,159.62 and 128,753.73
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Solution
The fourth proportional to 205,193.48, 283,159.62 and 128,753.73 is: 177,675.52
Step by Step Solution
- Step 1: Write the proportion equation
205,193.48 : 283,159.62 = 128,753.73 : x - Step 2: Convert to fraction form
205,193.48/283,159.62 = 128,753.73/x - Step 3: Cross multiply
205,193.48x = 283,159.62 × 128,753.73 - Step 4: Simplify right side
205,193.48x = 36,457,857,260.38 - Step 5: Solve for x
x = 36,457,857,260.38/205,193.48 - Step 6: Final answer
x = 177,675.52
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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.