Finding the Fourth Proportional to 292,649.75, 403,856.67 and 158,513.75
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Solution
The fourth proportional to 292,649.75, 403,856.67 and 158,513.75 is: 218,748.98
Step by Step Solution
- Step 1: Write the proportion equation
292,649.75 : 403,856.67 = 158,513.75 : x - Step 2: Convert to fraction form
292,649.75/403,856.67 = 158,513.75/x - Step 3: Cross multiply
292,649.75x = 403,856.67 × 158,513.75 - Step 4: Simplify right side
292,649.75x = 64,016,835,224.21 - Step 5: Solve for x
x = 64,016,835,224.21/292,649.75 - Step 6: Final answer
x = 218,748.98
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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.