Finding the Fourth Proportional to 225,894.20, 311,734.08 and 125,292.20
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Solution
The fourth proportional to 225,894.20, 311,734.08 and 125,292.20 is: 172,903.28
Step by Step Solution
- Step 1: Write the proportion equation
225,894.20 : 311,734.08 = 125,292.20 : x - Step 2: Convert to fraction form
225,894.20/311,734.08 = 125,292.20/x - Step 3: Cross multiply
225,894.20x = 311,734.08 × 125,292.20 - Step 4: Simplify right side
225,894.20x = 39,057,847,139.51 - Step 5: Solve for x
x = 39,057,847,139.51/225,894.20 - Step 6: Final answer
x = 172,903.28
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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.