Finding the Fourth Proportional to 317,537.76, 438,207.12 and 174,311.04
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Solution
The fourth proportional to 317,537.76, 438,207.12 and 174,311.04 is: 240,551.99
Step by Step Solution
- Step 1: Write the proportion equation
317,537.76 : 438,207.12 = 174,311.04 : x - Step 2: Convert to fraction form
317,537.76/438,207.12 = 174,311.04/x - Step 3: Cross multiply
317,537.76x = 438,207.12 × 174,311.04 - Step 4: Simplify right side
317,537.76x = 76,384,338,822.60 - Step 5: Solve for x
x = 76,384,338,822.60/317,537.76 - Step 6: Final answer
x = 240,551.99
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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.