Finding the Fourth Proportional to 183,420.92, 253,013.36 and 115,329.98
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Solution
The fourth proportional to 183,420.92, 253,013.36 and 115,329.98 is: 159,087.77
Step by Step Solution
- Step 1: Write the proportion equation
183,420.92 : 253,013.36 = 115,329.98 : x - Step 2: Convert to fraction form
183,420.92/253,013.36 = 115,329.98/x - Step 3: Cross multiply
183,420.92x = 253,013.36 × 115,329.98 - Step 4: Simplify right side
183,420.92x = 29,180,023,906.82 - Step 5: Solve for x
x = 29,180,023,906.82/183,420.92 - Step 6: Final answer
x = 159,087.77
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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.