Finding the Fourth Proportional to 183,851.10, 275,485.05 and 121,448.70
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Solution
The fourth proportional to 183,851.10, 275,485.05 and 121,448.70 is: 181,980.42
Step by Step Solution
- Step 1: Write the proportion equation
183,851.10 : 275,485.05 = 121,448.70 : x - Step 2: Convert to fraction form
183,851.10/275,485.05 = 121,448.70/x - Step 3: Cross multiply
183,851.10x = 275,485.05 × 121,448.70 - Step 4: Simplify right side
183,851.10x = 33,457,301,191.94 - Step 5: Solve for x
x = 33,457,301,191.94/183,851.10 - Step 6: Final answer
x = 181,980.42
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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.