Finding the Fourth Proportional to 121,537.60, 182,176.80 and 46,628.80
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Solution
The fourth proportional to 121,537.60, 182,176.80 and 46,628.80 is: 69,893.48
Step by Step Solution
- Step 1: Write the proportion equation
121,537.60 : 182,176.80 = 46,628.80 : x - Step 2: Convert to fraction form
121,537.60/182,176.80 = 46,628.80/x - Step 3: Cross multiply
121,537.60x = 182,176.80 × 46,628.80 - Step 4: Simplify right side
121,537.60x = 8,494,685,571.84 - Step 5: Solve for x
x = 8,494,685,571.84/121,537.60 - Step 6: Final answer
x = 69,893.48
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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.