Finding the Fourth Proportional to 285,089.83, 393,418.97 and 164,230.75
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Solution
The fourth proportional to 285,089.83, 393,418.97 and 164,230.75 is: 226,635.55
Step by Step Solution
- Step 1: Write the proportion equation
285,089.83 : 393,418.97 = 164,230.75 : x - Step 2: Convert to fraction form
285,089.83/393,418.97 = 164,230.75/x - Step 3: Cross multiply
285,089.83x = 393,418.97 × 164,230.75 - Step 4: Simplify right side
285,089.83x = 64,611,491,686.17 - Step 5: Solve for x
x = 64,611,491,686.17/285,089.83 - Step 6: Final answer
x = 226,635.55
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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.