Finding the Fourth Proportional to 317,440.07, 438,072.67 and 174,213.44
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Solution
The fourth proportional to 317,440.07, 438,072.67 and 174,213.44 is: 240,417.50
Step by Step Solution
- Step 1: Write the proportion equation
317,440.07 : 438,072.67 = 174,213.44 : x - Step 2: Convert to fraction form
317,440.07/438,072.67 = 174,213.44/x - Step 3: Cross multiply
317,440.07x = 438,072.67 × 174,213.44 - Step 4: Simplify right side
317,440.07x = 76,318,146,810.68 - Step 5: Solve for x
x = 76,318,146,810.68/317,440.07 - Step 6: Final answer
x = 240,417.50
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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.