Finding the Fourth Proportional to 440,861.44, 608,394.84 and 239,661.76
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Solution
The fourth proportional to 440,861.44, 608,394.84 and 239,661.76 is: 330,736.52
Step by Step Solution
- Step 1: Write the proportion equation
440,861.44 : 608,394.84 = 239,661.76 : x - Step 2: Convert to fraction form
440,861.44/608,394.84 = 239,661.76/x - Step 3: Cross multiply
440,861.44x = 608,394.84 × 239,661.76 - Step 4: Simplify right side
440,861.44x = 145,808,978,129.32 - Step 5: Solve for x
x = 145,808,978,129.32/440,861.44 - Step 6: Final answer
x = 330,736.52
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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.