Finding the Fourth Proportional to 126,780.36, 190,266.95 and 46,893.91
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Solution
The fourth proportional to 126,780.36, 190,266.95 and 46,893.91 is: 70,376.53
Step by Step Solution
- Step 1: Write the proportion equation
126,780.36 : 190,266.95 = 46,893.91 : x - Step 2: Convert to fraction form
126,780.36/190,266.95 = 46,893.91/x - Step 3: Cross multiply
126,780.36x = 190,266.95 × 46,893.91 - Step 4: Simplify right side
126,780.36x = 8,922,361,229.27 - Step 5: Solve for x
x = 8,922,361,229.27/126,780.36 - Step 6: Final answer
x = 70,376.53
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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.