Finding the Fourth Proportional to 296,357.87, 408,974.35 and 160,391.96
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Solution
The fourth proportional to 296,357.87, 408,974.35 and 160,391.96 is: 221,341.17
Step by Step Solution
- Step 1: Write the proportion equation
296,357.87 : 408,974.35 = 160,391.96 : x - Step 2: Convert to fraction form
296,357.87/408,974.35 = 160,391.96/x - Step 3: Cross multiply
296,357.87x = 408,974.35 × 160,391.96 - Step 4: Simplify right side
296,357.87x = 65,596,195,140.37 - Step 5: Solve for x
x = 65,596,195,140.37/296,357.87 - Step 6: Final answer
x = 221,341.17
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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.