Finding the Fourth Proportional to 122,930.07, 184,318.74 and 51,816.12
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Solution
The fourth proportional to 122,930.07, 184,318.74 and 51,816.12 is: 77,691.99
Step by Step Solution
- Step 1: Write the proportion equation
122,930.07 : 184,318.74 = 51,816.12 : x - Step 2: Convert to fraction form
122,930.07/184,318.74 = 51,816.12/x - Step 3: Cross multiply
122,930.07x = 184,318.74 × 51,816.12 - Step 4: Simplify right side
122,930.07x = 9,550,682,295.69 - Step 5: Solve for x
x = 9,550,682,295.69/122,930.07 - Step 6: Final answer
x = 77,691.99
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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.