Finding the Fourth Proportional to 272,977.75, 376,664.98 and 158,233.99
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Solution
The fourth proportional to 272,977.75, 376,664.98 and 158,233.99 is: 218,337.22
Step by Step Solution
- Step 1: Write the proportion equation
272,977.75 : 376,664.98 = 158,233.99 : x - Step 2: Convert to fraction form
272,977.75/376,664.98 = 158,233.99/x - Step 3: Cross multiply
272,977.75x = 376,664.98 × 158,233.99 - Step 4: Simplify right side
272,977.75x = 59,601,202,678.67 - Step 5: Solve for x
x = 59,601,202,678.67/272,977.75 - Step 6: Final answer
x = 218,337.22
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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.