Finding the Fourth Proportional to 296,198.36, 408,751.88 and 160,231.76
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Solution
The fourth proportional to 296,198.36, 408,751.88 and 160,231.76 is: 221,118.82
Step by Step Solution
- Step 1: Write the proportion equation
296,198.36 : 408,751.88 = 160,231.76 : x - Step 2: Convert to fraction form
296,198.36/408,751.88 = 160,231.76/x - Step 3: Cross multiply
296,198.36x = 408,751.88 × 160,231.76 - Step 4: Simplify right side
296,198.36x = 65,495,033,135.71 - Step 5: Solve for x
x = 65,495,033,135.71/296,198.36 - Step 6: Final answer
x = 221,118.82
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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.