Finding the Fourth Proportional to 192,954.87, 266,310.68 and 112,430.12
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Solution
The fourth proportional to 192,954.87, 266,310.68 and 112,430.12 is: 155,172.76
Step by Step Solution
- Step 1: Write the proportion equation
192,954.87 : 266,310.68 = 112,430.12 : x - Step 2: Convert to fraction form
192,954.87/266,310.68 = 112,430.12/x - Step 3: Cross multiply
192,954.87x = 266,310.68 × 112,430.12 - Step 4: Simplify right side
192,954.87x = 29,941,339,815.98 - Step 5: Solve for x
x = 29,941,339,815.98/192,954.87 - Step 6: Final answer
x = 155,172.76
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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.