Finding the Fourth Proportional to 292,650.75, 403,858.05 and 158,514.75
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Solution
The fourth proportional to 292,650.75, 403,858.05 and 158,514.75 is: 218,750.36
Step by Step Solution
- Step 1: Write the proportion equation
292,650.75 : 403,858.05 = 158,514.75 : x - Step 2: Convert to fraction form
292,650.75/403,858.05 = 158,514.75/x - Step 3: Cross multiply
292,650.75x = 403,858.05 × 158,514.75 - Step 4: Simplify right side
292,650.75x = 64,017,457,831.24 - Step 5: Solve for x
x = 64,017,457,831.24/292,650.75 - Step 6: Final answer
x = 218,750.36
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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.