Finding the Fourth Proportional to 775,069.28, 1,161,976.56 and 242,316.08
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Solution
The fourth proportional to 775,069.28, 1,161,976.56 and 242,316.08 is: 363,277.98
Step by Step Solution
- Step 1: Write the proportion equation
775,069.28 : 1,161,976.56 = 242,316.08 : x - Step 2: Convert to fraction form
775,069.28/1,161,976.56 = 242,316.08/x - Step 3: Cross multiply
775,069.28x = 1,161,976.56 × 242,316.08 - Step 4: Simplify right side
775,069.28x = 281,565,605,071.09 - Step 5: Solve for x
x = 281,565,605,071.09/775,069.28 - Step 6: Final answer
x = 363,277.98
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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.