Finding the Fourth Proportional to 134,649.68, 201,979.66 and 50,400.98
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Solution
The fourth proportional to 134,649.68, 201,979.66 and 50,400.98 is: 75,603.39
Step by Step Solution
- Step 1: Write the proportion equation
134,649.68 : 201,979.66 = 50,400.98 : x - Step 2: Convert to fraction form
134,649.68/201,979.66 = 50,400.98/x - Step 3: Cross multiply
134,649.68x = 201,979.66 × 50,400.98 - Step 4: Simplify right side
134,649.68x = 10,179,972,804.07 - Step 5: Solve for x
x = 10,179,972,804.07/134,649.68 - Step 6: Final answer
x = 75,603.39
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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.