Finding the Fourth Proportional to 147,312.10, 220,796.70 and 84,176.44
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Solution
The fourth proportional to 147,312.10, 220,796.70 and 84,176.44 is: 126,166.69
Step by Step Solution
- Step 1: Write the proportion equation
147,312.10 : 220,796.70 = 84,176.44 : x - Step 2: Convert to fraction form
147,312.10/220,796.70 = 84,176.44/x - Step 3: Cross multiply
147,312.10x = 220,796.70 × 84,176.44 - Step 4: Simplify right side
147,312.10x = 18,585,880,169.75 - Step 5: Solve for x
x = 18,585,880,169.75/147,312.10 - Step 6: Final answer
x = 126,166.69
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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.