Finding the Fourth Proportional to 317,203.70, 437,670.21 and 181,194.17
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Solution
The fourth proportional to 317,203.70, 437,670.21 and 181,194.17 is: 250,007.45
Step by Step Solution
- Step 1: Write the proportion equation
317,203.70 : 437,670.21 = 181,194.17 : x - Step 2: Convert to fraction form
317,203.70/437,670.21 = 181,194.17/x - Step 3: Cross multiply
317,203.70x = 437,670.21 × 181,194.17 - Step 4: Simplify right side
317,203.70x = 79,303,289,528.70 - Step 5: Solve for x
x = 79,303,289,528.70/317,203.70 - Step 6: Final answer
x = 250,007.45
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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.