Finding the Fourth Proportional to 121,112.55, 182,806.43 and 121,112.55
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Solution
The fourth proportional to 121,112.55, 182,806.43 and 121,112.55 is: 182,806.43
Step by Step Solution
- Step 1: Write the proportion equation
121,112.55 : 182,806.43 = 121,112.55 : x - Step 2: Convert to fraction form
121,112.55/182,806.43 = 121,112.55/x - Step 3: Cross multiply
121,112.55x = 182,806.43 × 121,112.55 - Step 4: Simplify right side
121,112.55x = 22,140,152,288.13 - Step 5: Solve for x
x = 22,140,152,288.13/121,112.55 - Step 6: Final answer
x = 182,806.43
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.