Finding the Fourth Proportional to 205,654.14, 283,817.17 and 115,018.53
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Solution
The fourth proportional to 205,654.14, 283,817.17 and 115,018.53 is: 158,733.66
Step by Step Solution
- Step 1: Write the proportion equation
205,654.14 : 283,817.17 = 115,018.53 : x - Step 2: Convert to fraction form
205,654.14/283,817.17 = 115,018.53/x - Step 3: Cross multiply
205,654.14x = 283,817.17 × 115,018.53 - Step 4: Simplify right side
205,654.14x = 32,644,233,682.16 - Step 5: Solve for x
x = 32,644,233,682.16/205,654.14 - Step 6: Final answer
x = 158,733.66
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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.