Finding the Fourth Proportional to 319,186.04, 440,471.32 and 173,993.44
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Solution
The fourth proportional to 319,186.04, 440,471.32 and 173,993.44 is: 240,107.99
Step by Step Solution
- Step 1: Write the proportion equation
319,186.04 : 440,471.32 = 173,993.44 : x - Step 2: Convert to fraction form
319,186.04/440,471.32 = 173,993.44/x - Step 3: Cross multiply
319,186.04x = 440,471.32 × 173,993.44 - Step 4: Simplify right side
319,186.04x = 76,639,117,115.82 - Step 5: Solve for x
x = 76,639,117,115.82/319,186.04 - Step 6: Final answer
x = 240,107.99
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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.