Finding the Fourth Proportional to 297,681.73, 410,803.62 and 161,716.70
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Solution
The fourth proportional to 297,681.73, 410,803.62 and 161,716.70 is: 223,170.58
Step by Step Solution
- Step 1: Write the proportion equation
297,681.73 : 410,803.62 = 161,716.70 : x - Step 2: Convert to fraction form
297,681.73/410,803.62 = 161,716.70/x - Step 3: Cross multiply
297,681.73x = 410,803.62 × 161,716.70 - Step 4: Simplify right side
297,681.73x = 66,433,803,720.44 - Step 5: Solve for x
x = 66,433,803,720.44/297,681.73 - Step 6: Final answer
x = 223,170.58
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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.