Finding the Fourth Proportional to 223,895.20, 313,868 and 223,895.20
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Solution
The fourth proportional to 223,895.20, 313,868 and 223,895.20 is: 313,868
Step by Step Solution
- Step 1: Write the proportion equation
223,895.20 : 313,868 = 223,895.20 : x - Step 2: Convert to fraction form
223,895.20/313,868 = 223,895.20/x - Step 3: Cross multiply
223,895.20x = 313,868 × 223,895.20 - Step 4: Simplify right side
223,895.20x = 70,273,538,633.60 - Step 5: Solve for x
x = 70,273,538,633.60/223,895.20 - Step 6: Final answer
x = 313,868
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.