Finding the Fourth Proportional to 126,949.88, 190,259.89 and 51,984.99
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Solution
The fourth proportional to 126,949.88, 190,259.89 and 51,984.99 is: 77,909.94
Step by Step Solution
- Step 1: Write the proportion equation
126,949.88 : 190,259.89 = 51,984.99 : x - Step 2: Convert to fraction form
126,949.88/190,259.89 = 51,984.99/x - Step 3: Cross multiply
126,949.88x = 190,259.89 × 51,984.99 - Step 4: Simplify right side
126,949.88x = 9,890,658,349.09 - Step 5: Solve for x
x = 9,890,658,349.09/126,949.88 - Step 6: Final answer
x = 77,909.94
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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.