Finding the Fourth Proportional to 272,804.43, 376,489.04 and 165,378.99
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Solution
The fourth proportional to 272,804.43, 376,489.04 and 165,378.99 is: 228,234.48
Step by Step Solution
- Step 1: Write the proportion equation
272,804.43 : 376,489.04 = 165,378.99 : x - Step 2: Convert to fraction form
272,804.43/376,489.04 = 165,378.99/x - Step 3: Cross multiply
272,804.43x = 376,489.04 × 165,378.99 - Step 4: Simplify right side
272,804.43x = 62,263,376,354.37 - Step 5: Solve for x
x = 62,263,376,354.37/272,804.43 - Step 6: Final answer
x = 228,234.48
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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.