Finding the Fourth Proportional to 440,653.14, 608,105.16 and 239,449.14
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Solution
The fourth proportional to 440,653.14, 608,105.16 and 239,449.14 is: 330,441.89
Step by Step Solution
- Step 1: Write the proportion equation
440,653.14 : 608,105.16 = 239,449.14 : x - Step 2: Convert to fraction form
440,653.14/608,105.16 = 239,449.14/x - Step 3: Cross multiply
440,653.14x = 608,105.16 × 239,449.14 - Step 4: Simplify right side
440,653.14x = 145,610,257,591.56 - Step 5: Solve for x
x = 145,610,257,591.56/440,653.14 - Step 6: Final answer
x = 330,441.89
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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.