Finding the Fourth Proportional to 225,887.68, 311,725.10 and 125,285.68
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Solution
The fourth proportional to 225,887.68, 311,725.10 and 125,285.68 is: 172,894.29
Step by Step Solution
- Step 1: Write the proportion equation
225,887.68 : 311,725.10 = 125,285.68 : x - Step 2: Convert to fraction form
225,887.68/311,725.10 = 125,285.68/x - Step 3: Cross multiply
225,887.68x = 311,725.10 × 125,285.68 - Step 4: Simplify right side
225,887.68x = 39,054,691,126.57 - Step 5: Solve for x
x = 39,054,691,126.57/225,887.68 - Step 6: Final answer
x = 172,894.29
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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.