Finding the Fourth Proportional to 146,512.09, 202,187.91 and 79,444.09
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Solution
The fourth proportional to 146,512.09, 202,187.91 and 79,444.09 is: 109,633.51
Step by Step Solution
- Step 1: Write the proportion equation
146,512.09 : 202,187.91 = 79,444.09 : x - Step 2: Convert to fraction form
146,512.09/202,187.91 = 79,444.09/x - Step 3: Cross multiply
146,512.09x = 202,187.91 × 79,444.09 - Step 4: Simplify right side
146,512.09x = 16,062,634,518.95 - Step 5: Solve for x
x = 16,062,634,518.95/146,512.09 - Step 6: Final answer
x = 109,633.51
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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.