Finding the Fourth Proportional to 480,627.24, 720,981.87 and 125,640.69
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Solution
The fourth proportional to 480,627.24, 720,981.87 and 125,640.69 is: 188,471.75
Step by Step Solution
- Step 1: Write the proportion equation
480,627.24 : 720,981.87 = 125,640.69 : x - Step 2: Convert to fraction form
480,627.24/720,981.87 = 125,640.69/x - Step 3: Cross multiply
480,627.24x = 720,981.87 × 125,640.69 - Step 4: Simplify right side
480,627.24x = 90,584,658,996.09 - Step 5: Solve for x
x = 90,584,658,996.09/480,627.24 - Step 6: Final answer
x = 188,471.75
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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.