Finding the Fourth Proportional to 272,807.43, 376,493.18 and 165,381.99
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Solution
The fourth proportional to 272,807.43, 376,493.18 and 165,381.99 is: 228,238.62
Step by Step Solution
- Step 1: Write the proportion equation
272,807.43 : 376,493.18 = 165,381.99 : x - Step 2: Convert to fraction form
272,807.43/376,493.18 = 165,381.99/x - Step 3: Cross multiply
272,807.43x = 376,493.18 × 165,381.99 - Step 4: Simplify right side
272,807.43x = 62,265,190,502.92 - Step 5: Solve for x
x = 62,265,190,502.92/272,807.43 - Step 6: Final answer
x = 228,238.62
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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.