Finding the Fourth Proportional to 615,163.80, 922,745.70 and 194,568.60
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Solution
The fourth proportional to 615,163.80, 922,745.70 and 194,568.60 is: 291,852.90
Step by Step Solution
- Step 1: Write the proportion equation
615,163.80 : 922,745.70 = 194,568.60 : x - Step 2: Convert to fraction form
615,163.80/922,745.70 = 194,568.60/x - Step 3: Cross multiply
615,163.80x = 922,745.70 × 194,568.60 - Step 4: Simplify right side
615,163.80x = 179,537,339,005.02 - Step 5: Solve for x
x = 179,537,339,005.02/615,163.80 - Step 6: Final answer
x = 291,852.90
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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.