Finding the Fourth Proportional to 122,556.19, 183,792.95 and 46,636.71
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Solution
The fourth proportional to 122,556.19, 183,792.95 and 46,636.71 is: 69,939.33
Step by Step Solution
- Step 1: Write the proportion equation
122,556.19 : 183,792.95 = 46,636.71 : x - Step 2: Convert to fraction form
122,556.19/183,792.95 = 46,636.71/x - Step 3: Cross multiply
122,556.19x = 183,792.95 × 46,636.71 - Step 4: Simplify right side
122,556.19x = 8,571,497,357.05 - Step 5: Solve for x
x = 8,571,497,357.05/122,556.19 - Step 6: Final answer
x = 69,939.33
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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.