Finding the Fourth Proportional to 317,102.97, 437,598.75 and 173,862.66
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Solution
The fourth proportional to 317,102.97, 437,598.75 and 173,862.66 is: 239,928.63
Step by Step Solution
- Step 1: Write the proportion equation
317,102.97 : 437,598.75 = 173,862.66 : x - Step 2: Convert to fraction form
317,102.97/437,598.75 = 173,862.66/x - Step 3: Cross multiply
317,102.97x = 437,598.75 × 173,862.66 - Step 4: Simplify right side
317,102.97x = 76,082,082,687.68 - Step 5: Solve for x
x = 76,082,082,687.68/317,102.97 - Step 6: Final answer
x = 239,928.63
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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.