Finding the Fourth Proportional to 225,310.14, 310,906.72 and 134,648.05
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Solution
The fourth proportional to 225,310.14, 310,906.72 and 134,648.05 is: 185,801.60
Step by Step Solution
- Step 1: Write the proportion equation
225,310.14 : 310,906.72 = 134,648.05 : x - Step 2: Convert to fraction form
225,310.14/310,906.72 = 134,648.05/x - Step 3: Cross multiply
225,310.14x = 310,906.72 × 134,648.05 - Step 4: Simplify right side
225,310.14x = 41,862,983,579.90 - Step 5: Solve for x
x = 41,862,983,579.90/225,310.14 - Step 6: Final answer
x = 185,801.60
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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.