Finding the Fourth Proportional to 205,921.08, 284,176.49 and 115,276.64
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Solution
The fourth proportional to 205,921.08, 284,176.49 and 115,276.64 is: 159,084.78
Step by Step Solution
- Step 1: Write the proportion equation
205,921.08 : 284,176.49 = 115,276.64 : x - Step 2: Convert to fraction form
205,921.08/284,176.49 = 115,276.64/x - Step 3: Cross multiply
205,921.08x = 284,176.49 × 115,276.64 - Step 4: Simplify right side
205,921.08x = 32,758,908,936.93 - Step 5: Solve for x
x = 32,758,908,936.93/205,921.08 - Step 6: Final answer
x = 159,084.78
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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.