Finding the Fourth Proportional to 317,435.21, 438,059.29 and 174,197.64
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Solution
The fourth proportional to 317,435.21, 438,059.29 and 174,197.64 is: 240,392.03
Step by Step Solution
- Step 1: Write the proportion equation
317,435.21 : 438,059.29 = 174,197.64 : x - Step 2: Convert to fraction form
317,435.21/438,059.29 = 174,197.64/x - Step 3: Cross multiply
317,435.21x = 438,059.29 × 174,197.64 - Step 4: Simplify right side
317,435.21x = 76,308,894,498.08 - Step 5: Solve for x
x = 76,308,894,498.08/317,435.21 - Step 6: Final answer
x = 240,392.03
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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.