Finding the Fourth Proportional to 205,945.08, 284,208.96 and 115,298.68
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Solution
The fourth proportional to 205,945.08, 284,208.96 and 115,298.68 is: 159,114.84
Step by Step Solution
- Step 1: Write the proportion equation
205,945.08 : 284,208.96 = 115,298.68 : x - Step 2: Convert to fraction form
205,945.08/284,208.96 = 115,298.68/x - Step 3: Cross multiply
205,945.08x = 284,208.96 × 115,298.68 - Step 4: Simplify right side
205,945.08x = 32,768,917,932.17 - Step 5: Solve for x
x = 32,768,917,932.17/205,945.08 - Step 6: Final answer
x = 159,114.84
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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.