Finding the Fourth Proportional to 545,197.40, 752,394.51 and 303,464.64
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Solution
The fourth proportional to 545,197.40, 752,394.51 and 303,464.64 is: 418,793.50
Step by Step Solution
- Step 1: Write the proportion equation
545,197.40 : 752,394.51 = 303,464.64 : x - Step 2: Convert to fraction form
545,197.40/752,394.51 = 303,464.64/x - Step 3: Cross multiply
545,197.40x = 752,394.51 × 303,464.64 - Step 4: Simplify right side
545,197.40x = 228,325,129,115.13 - Step 5: Solve for x
x = 228,325,129,115.13/545,197.40 - Step 6: Final answer
x = 418,793.50
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1.5x scale
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.