Finding the Fourth Proportional to 440,405.70, 607,762.92 and 239,201.70
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Solution
The fourth proportional to 440,405.70, 607,762.92 and 239,201.70 is: 330,100.00
Step by Step Solution
- Step 1: Write the proportion equation
440,405.70 : 607,762.92 = 239,201.70 : x - Step 2: Convert to fraction form
440,405.70/607,762.92 = 239,201.70/x - Step 3: Cross multiply
440,405.70x = 607,762.92 × 239,201.70 - Step 4: Simplify right side
440,405.70x = 145,377,923,660.96 - Step 5: Solve for x
x = 145,377,923,660.96/440,405.70 - Step 6: Final answer
x = 330,100.00
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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.