Finding the Fourth Proportional to 122,369.99, 183,563.82 and 51,221.07
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Solution
The fourth proportional to 122,369.99, 183,563.82 and 51,221.07 is: 76,835.31
Step by Step Solution
- Step 1: Write the proportion equation
122,369.99 : 183,563.82 = 51,221.07 : x - Step 2: Convert to fraction form
122,369.99/183,563.82 = 51,221.07/x - Step 3: Cross multiply
122,369.99x = 183,563.82 × 51,221.07 - Step 4: Simplify right side
122,369.99x = 9,402,335,273.69 - Step 5: Solve for x
x = 9,402,335,273.69/122,369.99 - Step 6: Final answer
x = 76,835.31
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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.