Finding the Fourth Proportional to 192,954.15, 289,751.99 and 130,178.14
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Solution
The fourth proportional to 192,954.15, 289,751.99 and 130,178.14 is: 195,483.61
Step by Step Solution
- Step 1: Write the proportion equation
192,954.15 : 289,751.99 = 130,178.14 : x - Step 2: Convert to fraction form
192,954.15/289,751.99 = 130,178.14/x - Step 3: Cross multiply
192,954.15x = 289,751.99 × 130,178.14 - Step 4: Simplify right side
192,954.15x = 37,719,373,744.23 - Step 5: Solve for x
x = 37,719,373,744.23/192,954.15 - Step 6: Final answer
x = 195,483.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.