Finding the Fourth Proportional to 219,286.26, 302,622.36 and 134,386.92
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Solution
The fourth proportional to 219,286.26, 302,622.36 and 134,386.92 is: 185,458.44
Step by Step Solution
- Step 1: Write the proportion equation
219,286.26 : 302,622.36 = 134,386.92 : x - Step 2: Convert to fraction form
219,286.26/302,622.36 = 134,386.92/x - Step 3: Cross multiply
219,286.26x = 302,622.36 × 134,386.92 - Step 4: Simplify right side
219,286.26x = 40,668,486,883.53 - Step 5: Solve for x
x = 40,668,486,883.53/219,286.26 - Step 6: Final answer
x = 185,458.44
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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.