Finding the Fourth Proportional to 174,585.71, 261,361.86 and 107,811.14
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Solution
The fourth proportional to 174,585.71, 261,361.86 and 107,811.14 is: 161,397.63
Step by Step Solution
- Step 1: Write the proportion equation
174,585.71 : 261,361.86 = 107,811.14 : x - Step 2: Convert to fraction form
174,585.71/261,361.86 = 107,811.14/x - Step 3: Cross multiply
174,585.71x = 261,361.86 × 107,811.14 - Step 4: Simplify right side
174,585.71x = 28,177,718,772.31 - Step 5: Solve for x
x = 28,177,718,772.31/174,585.71 - Step 6: Final answer
x = 161,397.63
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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.