Finding the Fourth Proportional to 144,815.70, 217,223.55 and 122,945.70
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Solution
The fourth proportional to 144,815.70, 217,223.55 and 122,945.70 is: 184,418.55
Step by Step Solution
- Step 1: Write the proportion equation
144,815.70 : 217,223.55 = 122,945.70 : x - Step 2: Convert to fraction form
144,815.70/217,223.55 = 122,945.70/x - Step 3: Cross multiply
144,815.70x = 217,223.55 × 122,945.70 - Step 4: Simplify right side
144,815.70x = 26,706,701,411.24 - Step 5: Solve for x
x = 26,706,701,411.24/144,815.70 - Step 6: Final answer
x = 184,418.55
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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.