Finding the Fourth Proportional to 285,051.29, 393,343.99 and 192,983.29
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Solution
The fourth proportional to 285,051.29, 393,343.99 and 192,983.29 is: 266,298.80
Step by Step Solution
- Step 1: Write the proportion equation
285,051.29 : 393,343.99 = 192,983.29 : x - Step 2: Convert to fraction form
285,051.29/393,343.99 = 192,983.29/x - Step 3: Cross multiply
285,051.29x = 393,343.99 × 192,983.29 - Step 4: Simplify right side
285,051.29x = 75,908,815,826.11 - Step 5: Solve for x
x = 75,908,815,826.11/285,051.29 - Step 6: Final answer
x = 266,298.80
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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.