Finding the Fourth Proportional to 205,755.57, 283,931.19 and 115,094.03
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Solution
The fourth proportional to 205,755.57, 283,931.19 and 115,094.03 is: 158,823.32
Step by Step Solution
- Step 1: Write the proportion equation
205,755.57 : 283,931.19 = 115,094.03 : x - Step 2: Convert to fraction form
205,755.57/283,931.19 = 115,094.03/x - Step 3: Cross multiply
205,755.57x = 283,931.19 × 115,094.03 - Step 4: Simplify right side
205,755.57x = 32,678,783,480.14 - Step 5: Solve for x
x = 32,678,783,480.14/205,755.57 - Step 6: Final answer
x = 158,823.32
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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.