Finding the Fourth Proportional to 176,197.20, 264,295.80 and 106,213.20
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Solution
The fourth proportional to 176,197.20, 264,295.80 and 106,213.20 is: 159,319.80
Step by Step Solution
- Step 1: Write the proportion equation
176,197.20 : 264,295.80 = 106,213.20 : x - Step 2: Convert to fraction form
176,197.20/264,295.80 = 106,213.20/x - Step 3: Cross multiply
176,197.20x = 264,295.80 × 106,213.20 - Step 4: Simplify right side
176,197.20x = 28,071,702,664.56 - Step 5: Solve for x
x = 28,071,702,664.56/176,197.20 - Step 6: Final answer
x = 159,319.80
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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.