Finding the Fourth Proportional to 311,685.93, 430,126.71 and 177,549.93
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Solution
The fourth proportional to 311,685.93, 430,126.71 and 177,549.93 is: 245,018.98
Step by Step Solution
- Step 1: Write the proportion equation
311,685.93 : 430,126.71 = 177,549.93 : x - Step 2: Convert to fraction form
311,685.93/430,126.71 = 177,549.93/x - Step 3: Cross multiply
311,685.93x = 430,126.71 × 177,549.93 - Step 4: Simplify right side
311,685.93x = 76,368,967,251.63 - Step 5: Solve for x
x = 76,368,967,251.63/311,685.93 - Step 6: Final answer
x = 245,018.98
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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.