Finding the Fourth Proportional to 317,218.08, 437,844.24 and 189,993.12
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Solution
The fourth proportional to 317,218.08, 437,844.24 and 189,993.12 is: 262,240.39
Step by Step Solution
- Step 1: Write the proportion equation
317,218.08 : 437,844.24 = 189,993.12 : x - Step 2: Convert to fraction form
317,218.08/437,844.24 = 189,993.12/x - Step 3: Cross multiply
317,218.08x = 437,844.24 × 189,993.12 - Step 4: Simplify right side
317,218.08x = 83,187,393,231.63 - Step 5: Solve for x
x = 83,187,393,231.63/317,218.08 - Step 6: Final answer
x = 262,240.39
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1.5x scale
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.