Finding the Fourth Proportional to 317,218.05, 437,720.57 and 181,260.81
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Solution
The fourth proportional to 317,218.05, 437,720.57 and 181,260.81 is: 250,116.86
Step by Step Solution
- Step 1: Write the proportion equation
317,218.05 : 437,720.57 = 181,260.81 : x - Step 2: Convert to fraction form
317,218.05/437,720.57 = 181,260.81/x - Step 3: Cross multiply
317,218.05x = 437,720.57 × 181,260.81 - Step 4: Simplify right side
317,218.05x = 79,341,584,165.56 - Step 5: Solve for x
x = 79,341,584,165.56/317,218.05 - Step 6: Final answer
x = 250,116.86
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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.