Finding the Fourth Proportional to 618,179.20, 926,577.60 and 263,132.80
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Solution
The fourth proportional to 618,179.20, 926,577.60 and 263,132.80 is: 394,404.99
Step by Step Solution
- Step 1: Write the proportion equation
618,179.20 : 926,577.60 = 263,132.80 : x - Step 2: Convert to fraction form
618,179.20/926,577.60 = 263,132.80/x - Step 3: Cross multiply
618,179.20x = 926,577.60 × 263,132.80 - Step 4: Simplify right side
618,179.20x = 243,812,958,305.28 - Step 5: Solve for x
x = 243,812,958,305.28/618,179.20 - Step 6: Final answer
x = 394,404.99
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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.