Finding the Fourth Proportional to 545,163.59, 752,325.79 and 303,440.98
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Solution
The fourth proportional to 545,163.59, 752,325.79 and 303,440.98 is: 418,748.57
Step by Step Solution
- Step 1: Write the proportion equation
545,163.59 : 752,325.79 = 303,440.98 : x - Step 2: Convert to fraction form
545,163.59/752,325.79 = 303,440.98/x - Step 3: Cross multiply
545,163.59x = 752,325.79 × 303,440.98 - Step 4: Simplify right side
545,163.59x = 228,286,473,479.67 - Step 5: Solve for x
x = 228,286,473,479.67/545,163.59 - Step 6: Final answer
x = 418,748.57
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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.