Finding the Fourth Proportional to 122,087.16, 183,224.52 and 54,640.08
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Solution
The fourth proportional to 122,087.16, 183,224.52 and 54,640.08 is: 82,002.09
Step by Step Solution
- Step 1: Write the proportion equation
122,087.16 : 183,224.52 = 54,640.08 : x - Step 2: Convert to fraction form
122,087.16/183,224.52 = 54,640.08/x - Step 3: Cross multiply
122,087.16x = 183,224.52 × 54,640.08 - Step 4: Simplify right side
122,087.16x = 10,011,402,430.76 - Step 5: Solve for x
x = 10,011,402,430.76/122,087.16 - Step 6: Final answer
x = 82,002.09
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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.