Finding the Fourth Proportional to 409,460.40, 614,190.60 and 251,777.70
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Solution
The fourth proportional to 409,460.40, 614,190.60 and 251,777.70 is: 377,666.55
Step by Step Solution
- Step 1: Write the proportion equation
409,460.40 : 614,190.60 = 251,777.70 : x - Step 2: Convert to fraction form
409,460.40/614,190.60 = 251,777.70/x - Step 3: Cross multiply
409,460.40x = 614,190.60 × 251,777.70 - Step 4: Simplify right side
409,460.40x = 154,639,496,629.62 - Step 5: Solve for x
x = 154,639,496,629.62/409,460.40 - Step 6: Final answer
x = 377,666.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.