Finding the Fourth Proportional to 545,572.09, 752,912.76 and 303,854.68
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Solution
The fourth proportional to 545,572.09, 752,912.76 and 303,854.68 is: 419,332.42
Step by Step Solution
- Step 1: Write the proportion equation
545,572.09 : 752,912.76 = 303,854.68 : x - Step 2: Convert to fraction form
545,572.09/752,912.76 = 303,854.68/x - Step 3: Cross multiply
545,572.09x = 752,912.76 × 303,854.68 - Step 4: Simplify right side
545,572.09x = 228,776,065,757.72 - Step 5: Solve for x
x = 228,776,065,757.72/545,572.09 - Step 6: Final answer
x = 419,332.42
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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.