Finding the Fourth Proportional to 440,387.68, 607,738.10 and 239,183.68
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Solution
The fourth proportional to 440,387.68, 607,738.10 and 239,183.68 is: 330,075.16
Step by Step Solution
- Step 1: Write the proportion equation
440,387.68 : 607,738.10 = 239,183.68 : x - Step 2: Convert to fraction form
440,387.68/607,738.10 = 239,183.68/x - Step 3: Cross multiply
440,387.68x = 607,738.10 × 239,183.68 - Step 4: Simplify right side
440,387.68x = 145,361,035,234.21 - Step 5: Solve for x
x = 145,361,035,234.21/440,387.68 - Step 6: Final answer
x = 330,075.16
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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.