Finding the Fourth Proportional to 354,949.01, 489,758.32 and 225,939.41
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Solution
The fourth proportional to 354,949.01, 489,758.32 and 225,939.41 is: 311,750.99
Step by Step Solution
- Step 1: Write the proportion equation
354,949.01 : 489,758.32 = 225,939.41 : x - Step 2: Convert to fraction form
354,949.01/489,758.32 = 225,939.41/x - Step 3: Cross multiply
354,949.01x = 489,758.32 × 225,939.41 - Step 4: Simplify right side
354,949.01x = 110,655,705,863.39 - Step 5: Solve for x
x = 110,655,705,863.39/354,949.01 - Step 6: Final answer
x = 311,750.99
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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.