Finding the Fourth Proportional to 440,889.19, 608,431.94 and 239,685.19
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Solution
The fourth proportional to 440,889.19, 608,431.94 and 239,685.19 is: 330,768.20
Step by Step Solution
- Step 1: Write the proportion equation
440,889.19 : 608,431.94 = 239,685.19 : x - Step 2: Convert to fraction form
440,889.19/608,431.94 = 239,685.19/x - Step 3: Cross multiply
440,889.19x = 608,431.94 × 239,685.19 - Step 4: Simplify right side
440,889.19x = 145,832,123,320.28 - Step 5: Solve for x
x = 145,832,123,320.28/440,889.19 - Step 6: Final answer
x = 330,768.20
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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.