Finding the Fourth Proportional to 315,959.68, 436,027.26 and 179,991.62
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Solution
The fourth proportional to 315,959.68, 436,027.26 and 179,991.62 is: 248,390.08
Step by Step Solution
- Step 1: Write the proportion equation
315,959.68 : 436,027.26 = 179,991.62 : x - Step 2: Convert to fraction form
315,959.68/436,027.26 = 179,991.62/x - Step 3: Cross multiply
315,959.68x = 436,027.26 × 179,991.62 - Step 4: Simplify right side
315,959.68x = 78,481,251,386.39 - Step 5: Solve for x
x = 78,481,251,386.39/315,959.68 - Step 6: Final answer
x = 248,390.08
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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.