Finding the Fourth Proportional to 330,531.96, 456,139.02 and 179,629.08
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Solution
The fourth proportional to 330,531.96, 456,139.02 and 179,629.08 is: 247,890.80
Step by Step Solution
- Step 1: Write the proportion equation
330,531.96 : 456,139.02 = 179,629.08 : x - Step 2: Convert to fraction form
330,531.96/456,139.02 = 179,629.08/x - Step 3: Cross multiply
330,531.96x = 456,139.02 × 179,629.08 - Step 4: Simplify right side
330,531.96x = 81,935,832,514.70 - Step 5: Solve for x
x = 81,935,832,514.70/330,531.96 - Step 6: Final answer
x = 247,890.80
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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.