Finding the Fourth Proportional to 775,425.69, 1,163,138.95 and 242,988.39
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Solution
The fourth proportional to 775,425.69, 1,163,138.95 and 242,988.39 is: 364,482.72
Step by Step Solution
- Step 1: Write the proportion equation
775,425.69 : 1,163,138.95 = 242,988.39 : x - Step 2: Convert to fraction form
775,425.69/1,163,138.95 = 242,988.39/x - Step 3: Cross multiply
775,425.69x = 1,163,138.95 × 242,988.39 - Step 4: Simplify right side
775,425.69x = 282,629,264,561.09 - Step 5: Solve for x
x = 282,629,264,561.09/775,425.69 - Step 6: Final answer
x = 364,482.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.