Finding the Fourth Proportional to 121,361.63, 182,078.28 and 62,238.71
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Solution
The fourth proportional to 121,361.63, 182,078.28 and 62,238.71 is: 93,376.45
Step by Step Solution
- Step 1: Write the proportion equation
121,361.63 : 182,078.28 = 62,238.71 : x - Step 2: Convert to fraction form
121,361.63/182,078.28 = 62,238.71/x - Step 3: Cross multiply
121,361.63x = 182,078.28 × 62,238.71 - Step 4: Simplify right side
121,361.63x = 11,332,317,721.41 - Step 5: Solve for x
x = 11,332,317,721.41/121,361.63 - Step 6: Final answer
x = 93,376.45
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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.