Finding the Fourth Proportional to 477,776.92, 716,771.94 and 145,378.84
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Solution
The fourth proportional to 477,776.92, 716,771.94 and 145,378.84 is: 218,100.68
Step by Step Solution
- Step 1: Write the proportion equation
477,776.92 : 716,771.94 = 145,378.84 : x - Step 2: Convert to fraction form
477,776.92/716,771.94 = 145,378.84/x - Step 3: Cross multiply
477,776.92x = 716,771.94 × 145,378.84 - Step 4: Simplify right side
477,776.92x = 104,203,473,181.75 - Step 5: Solve for x
x = 104,203,473,181.75/477,776.92 - Step 6: Final answer
x = 218,100.68
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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.