Finding the Fourth Proportional to 251,698.42, 347,293.47 and 144,302.14
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Solution
The fourth proportional to 251,698.42, 347,293.47 and 144,302.14 is: 199,108.09
Step by Step Solution
- Step 1: Write the proportion equation
251,698.42 : 347,293.47 = 144,302.14 : x - Step 2: Convert to fraction form
251,698.42/347,293.47 = 144,302.14/x - Step 3: Cross multiply
251,698.42x = 347,293.47 × 144,302.14 - Step 4: Simplify right side
251,698.42x = 50,115,190,929.03 - Step 5: Solve for x
x = 50,115,190,929.03/251,698.42 - Step 6: Final answer
x = 199,108.09
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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.