Finding the Fourth Proportional to 317,434.52, 438,042.18 and 174,183.26
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Solution
The fourth proportional to 317,434.52, 438,042.18 and 174,183.26 is: 240,363.32
Step by Step Solution
- Step 1: Write the proportion equation
317,434.52 : 438,042.18 = 174,183.26 : x - Step 2: Convert to fraction form
317,434.52/438,042.18 = 174,183.26/x - Step 3: Cross multiply
317,434.52x = 438,042.18 × 174,183.26 - Step 4: Simplify right side
317,434.52x = 76,299,614,929.91 - Step 5: Solve for x
x = 76,299,614,929.91/317,434.52 - Step 6: Final answer
x = 240,363.32
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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.