Finding the Fourth Proportional to 236,578.77, 326,449.98 and 134,617.20
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Solution
The fourth proportional to 236,578.77, 326,449.98 and 134,617.20 is: 185,755.39
Step by Step Solution
- Step 1: Write the proportion equation
236,578.77 : 326,449.98 = 134,617.20 : x - Step 2: Convert to fraction form
236,578.77/326,449.98 = 134,617.20/x - Step 3: Cross multiply
236,578.77x = 326,449.98 × 134,617.20 - Step 4: Simplify right side
236,578.77x = 43,945,782,247.66 - Step 5: Solve for x
x = 43,945,782,247.66/236,578.77 - Step 6: Final answer
x = 185,755.39
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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.