Finding the Fourth Proportional to 205,725.24, 283,927.08 and 115,086.24
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Solution
The fourth proportional to 205,725.24, 283,927.08 and 115,086.24 is: 158,833.70
Step by Step Solution
- Step 1: Write the proportion equation
205,725.24 : 283,927.08 = 115,086.24 : x - Step 2: Convert to fraction form
205,725.24/283,927.08 = 115,086.24/x - Step 3: Cross multiply
205,725.24x = 283,927.08 × 115,086.24 - Step 4: Simplify right side
205,725.24x = 32,676,100,071.38 - Step 5: Solve for x
x = 32,676,100,071.38/205,725.24 - Step 6: Final answer
x = 158,833.70
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1.5x scale
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.