Finding the Fourth Proportional to 412,183.12, 618,363.36 and 127,867.96
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Solution
The fourth proportional to 412,183.12, 618,363.36 and 127,867.96 is: 191,829.45
Step by Step Solution
- Step 1: Write the proportion equation
412,183.12 : 618,363.36 = 127,867.96 : x - Step 2: Convert to fraction form
412,183.12/618,363.36 = 127,867.96/x - Step 3: Cross multiply
412,183.12x = 618,363.36 × 127,867.96 - Step 4: Simplify right side
412,183.12x = 79,068,861,381.95 - Step 5: Solve for x
x = 79,068,861,381.95/412,183.12 - Step 6: Final answer
x = 191,829.45
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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.