Finding the Fourth Proportional to 232,137.88, 320,416.71 and 136,699.94
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Solution
The fourth proportional to 232,137.88, 320,416.71 and 136,699.94 is: 188,685.03
Step by Step Solution
- Step 1: Write the proportion equation
232,137.88 : 320,416.71 = 136,699.94 : x - Step 2: Convert to fraction form
232,137.88/320,416.71 = 136,699.94/x - Step 3: Cross multiply
232,137.88x = 320,416.71 × 136,699.94 - Step 4: Simplify right side
232,137.88x = 43,800,942,746.41 - Step 5: Solve for x
x = 43,800,942,746.41/232,137.88 - Step 6: Final answer
x = 188,685.03
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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.