Finding the Fourth Proportional to 236,175.21, 354,313.35 and 86,414.94
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Solution
The fourth proportional to 236,175.21, 354,313.35 and 86,414.94 is: 129,640.90
Step by Step Solution
- Step 1: Write the proportion equation
236,175.21 : 354,313.35 = 86,414.94 : x - Step 2: Convert to fraction form
236,175.21/354,313.35 = 86,414.94/x - Step 3: Cross multiply
236,175.21x = 354,313.35 × 86,414.94 - Step 4: Simplify right side
236,175.21x = 30,617,966,881.45 - Step 5: Solve for x
x = 30,617,966,881.45/236,175.21 - Step 6: Final answer
x = 129,640.90
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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.