Finding the Fourth Proportional to 251,665.15, 347,312.88 and 144,242.09
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Solution
The fourth proportional to 251,665.15, 347,312.88 and 144,242.09 is: 199,062.66
Step by Step Solution
- Step 1: Write the proportion equation
251,665.15 : 347,312.88 = 144,242.09 : x - Step 2: Convert to fraction form
251,665.15/347,312.88 = 144,242.09/x - Step 3: Cross multiply
251,665.15x = 347,312.88 × 144,242.09 - Step 4: Simplify right side
251,665.15x = 50,097,135,629.27 - Step 5: Solve for x
x = 50,097,135,629.27/251,665.15 - Step 6: Final answer
x = 199,062.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.