Finding the Fourth Proportional to 440,636.88, 608,082.74 and 239,432.88
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Solution
The fourth proportional to 440,636.88, 608,082.74 and 239,432.88 is: 330,419.46
Step by Step Solution
- Step 1: Write the proportion equation
440,636.88 : 608,082.74 = 239,432.88 : x - Step 2: Convert to fraction form
440,636.88/608,082.74 = 239,432.88/x - Step 3: Cross multiply
440,636.88x = 608,082.74 × 239,432.88 - Step 4: Simplify right side
440,636.88x = 145,595,001,716.49 - Step 5: Solve for x
x = 145,595,001,716.49/440,636.88 - Step 6: Final answer
x = 330,419.46
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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.