Finding the Fourth Proportional to 192,706.56, 289,068.48 and 84,628.80
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Solution
The fourth proportional to 192,706.56, 289,068.48 and 84,628.80 is: 126,946.99
Step by Step Solution
- Step 1: Write the proportion equation
192,706.56 : 289,068.48 = 84,628.80 : x - Step 2: Convert to fraction form
192,706.56/289,068.48 = 84,628.80/x - Step 3: Cross multiply
192,706.56x = 289,068.48 × 84,628.80 - Step 4: Simplify right side
192,706.56x = 24,463,518,580.22 - Step 5: Solve for x
x = 24,463,518,580.22/192,706.56 - Step 6: Final answer
x = 126,946.99
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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.