Finding the Fourth Proportional to 121,194.71, 181,800.36 and 41,200.12
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Solution
The fourth proportional to 121,194.71, 181,800.36 and 41,200.12 is: 61,802.99
Step by Step Solution
- Step 1: Write the proportion equation
121,194.71 : 181,800.36 = 41,200.12 : x - Step 2: Convert to fraction form
121,194.71/181,800.36 = 41,200.12/x - Step 3: Cross multiply
121,194.71x = 181,800.36 × 41,200.12 - Step 4: Simplify right side
121,194.71x = 7,490,195,533.04 - Step 5: Solve for x
x = 7,490,195,533.04/121,194.71 - Step 6: Final answer
x = 61,802.99
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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.