Finding the Fourth Proportional to 264,894.49, 397,341.61 and 77,905.99
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Solution
The fourth proportional to 264,894.49, 397,341.61 and 77,905.99 is: 116,858.94
Step by Step Solution
- Step 1: Write the proportion equation
264,894.49 : 397,341.61 = 77,905.99 : x - Step 2: Convert to fraction form
264,894.49/397,341.61 = 77,905.99/x - Step 3: Cross multiply
264,894.49x = 397,341.61 × 77,905.99 - Step 4: Simplify right side
264,894.49x = 30,955,289,562.11 - Step 5: Solve for x
x = 30,955,289,562.11/264,894.49 - Step 6: Final answer
x = 116,858.94
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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.