Finding the Fourth Proportional to 440,674.84, 608,131.20 and 239,470.84
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Solution
The fourth proportional to 440,674.84, 608,131.20 and 239,470.84 is: 330,469.72
Step by Step Solution
- Step 1: Write the proportion equation
440,674.84 : 608,131.20 = 239,470.84 : x - Step 2: Convert to fraction form
440,674.84/608,131.20 = 239,470.84/x - Step 3: Cross multiply
440,674.84x = 608,131.20 × 239,470.84 - Step 4: Simplify right side
440,674.84x = 145,629,689,294.21 - Step 5: Solve for x
x = 145,629,689,294.21/440,674.84 - Step 6: Final answer
x = 330,469.72
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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.