Finding the Fourth Proportional to 440,738.68, 608,217.24 and 239,534.68
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Solution
The fourth proportional to 440,738.68, 608,217.24 and 239,534.68 is: 330,556.70
Step by Step Solution
- Step 1: Write the proportion equation
440,738.68 : 608,217.24 = 239,534.68 : x - Step 2: Convert to fraction form
440,738.68/608,217.24 = 239,534.68/x - Step 3: Cross multiply
440,738.68x = 608,217.24 × 239,534.68 - Step 4: Simplify right side
440,738.68x = 145,689,121,953.88 - Step 5: Solve for x
x = 145,689,121,953.88/440,738.68 - Step 6: Final answer
x = 330,556.70
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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.