Finding the Fourth Proportional to 126,852.81, 190,294.80 and 41,461.62
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Solution
The fourth proportional to 126,852.81, 190,294.80 and 41,461.62 is: 62,197.52
Step by Step Solution
- Step 1: Write the proportion equation
126,852.81 : 190,294.80 = 41,461.62 : x - Step 2: Convert to fraction form
126,852.81/190,294.80 = 41,461.62/x - Step 3: Cross multiply
126,852.81x = 190,294.80 × 41,461.62 - Step 4: Simplify right side
126,852.81x = 7,889,930,685.58 - Step 5: Solve for x
x = 7,889,930,685.58/126,852.81 - Step 6: Final answer
x = 62,197.52
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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.