Finding the Fourth Proportional to 354,480.08, 531,383.58 and 141,378.80
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Solution
The fourth proportional to 354,480.08, 531,383.58 and 141,378.80 is: 211,933.98
Step by Step Solution
- Step 1: Write the proportion equation
354,480.08 : 531,383.58 = 141,378.80 : x - Step 2: Convert to fraction form
354,480.08/531,383.58 = 141,378.80/x - Step 3: Cross multiply
354,480.08x = 531,383.58 × 141,378.80 - Step 4: Simplify right side
354,480.08x = 75,126,372,880.10 - Step 5: Solve for x
x = 75,126,372,880.10/354,480.08 - Step 6: Final answer
x = 211,933.98
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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.