Finding the Fourth Proportional to 545,439.96, 752,707.98 and 303,769.08
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Solution
The fourth proportional to 545,439.96, 752,707.98 and 303,769.08 is: 419,201.80
Step by Step Solution
- Step 1: Write the proportion equation
545,439.96 : 752,707.98 = 303,769.08 : x - Step 2: Convert to fraction form
545,439.96/752,707.98 = 303,769.08/x - Step 3: Cross multiply
545,439.96x = 752,707.98 × 303,769.08 - Step 4: Simplify right side
545,439.96x = 228,649,410,593.26 - Step 5: Solve for x
x = 228,649,410,593.26/545,439.96 - Step 6: Final answer
x = 419,201.80
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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.