Finding the Fourth Proportional to 545,163.84, 752,326.14 and 303,441.21
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Solution
The fourth proportional to 545,163.84, 752,326.14 and 303,441.21 is: 418,748.89
Step by Step Solution
- Step 1: Write the proportion equation
545,163.84 : 752,326.14 = 303,441.21 : x - Step 2: Convert to fraction form
545,163.84/752,326.14 = 303,441.21/x - Step 3: Cross multiply
545,163.84x = 752,326.14 × 303,441.21 - Step 4: Simplify right side
545,163.84x = 228,286,754,236.23 - Step 5: Solve for x
x = 228,286,754,236.23/545,163.84 - Step 6: Final answer
x = 418,748.89
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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.