Finding the Fourth Proportional to 199,529.28, 299,135.34 and 115,194.06
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Solution
The fourth proportional to 199,529.28, 299,135.34 and 115,194.06 is: 172,699.54
Step by Step Solution
- Step 1: Write the proportion equation
199,529.28 : 299,135.34 = 115,194.06 : x - Step 2: Convert to fraction form
199,529.28/299,135.34 = 115,194.06/x - Step 3: Cross multiply
199,529.28x = 299,135.34 × 115,194.06 - Step 4: Simplify right side
199,529.28x = 34,458,614,304.08 - Step 5: Solve for x
x = 34,458,614,304.08/199,529.28 - Step 6: Final answer
x = 172,699.54
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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.