Finding the Fourth Proportional to 486,630.32, 730,206.91 and 202,516.75
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Solution
The fourth proportional to 486,630.32, 730,206.91 and 202,516.75 is: 303,883.92
Step by Step Solution
- Step 1: Write the proportion equation
486,630.32 : 730,206.91 = 202,516.75 : x - Step 2: Convert to fraction form
486,630.32/730,206.91 = 202,516.75/x - Step 3: Cross multiply
486,630.32x = 730,206.91 × 202,516.75 - Step 4: Simplify right side
486,630.32x = 147,879,128,668.37 - Step 5: Solve for x
x = 147,879,128,668.37/486,630.32 - Step 6: Final answer
x = 303,883.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.