Finding the Fourth Proportional to 269,998.71, 372,591.08 and 149,137.40
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Solution
The fourth proportional to 269,998.71, 372,591.08 and 149,137.40 is: 205,805.66
Step by Step Solution
- Step 1: Write the proportion equation
269,998.71 : 372,591.08 = 149,137.40 : x - Step 2: Convert to fraction form
269,998.71/372,591.08 = 149,137.40/x - Step 3: Cross multiply
269,998.71x = 372,591.08 × 149,137.40 - Step 4: Simplify right side
269,998.71x = 55,567,262,325.75 - Step 5: Solve for x
x = 55,567,262,325.75/269,998.71 - Step 6: Final answer
x = 205,805.66
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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.