Finding the Fourth Proportional to 331,049.12, 496,427.92 and 94,338.08
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Solution
The fourth proportional to 331,049.12, 496,427.92 and 94,338.08 is: 141,465.58
Step by Step Solution
- Step 1: Write the proportion equation
331,049.12 : 496,427.92 = 94,338.08 : x - Step 2: Convert to fraction form
331,049.12/496,427.92 = 94,338.08/x - Step 3: Cross multiply
331,049.12x = 496,427.92 × 94,338.08 - Step 4: Simplify right side
331,049.12x = 46,832,056,831.19 - Step 5: Solve for x
x = 46,832,056,831.19/331,049.12 - Step 6: Final answer
x = 141,465.58
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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.