Finding the Fourth Proportional to 199,458.99, 275,112.45 and 118,824.30
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Solution
The fourth proportional to 199,458.99, 275,112.45 and 118,824.30 is: 163,893.56
Step by Step Solution
- Step 1: Write the proportion equation
199,458.99 : 275,112.45 = 118,824.30 : x - Step 2: Convert to fraction form
199,458.99/275,112.45 = 118,824.30/x - Step 3: Cross multiply
199,458.99x = 275,112.45 × 118,824.30 - Step 4: Simplify right side
199,458.99x = 32,690,044,292.54 - Step 5: Solve for x
x = 32,690,044,292.54/199,458.99 - Step 6: Final answer
x = 163,893.56
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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.