Finding the Fourth Proportional to 176,579.80, 264,869.70 and 81,809.80
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Solution
The fourth proportional to 176,579.80, 264,869.70 and 81,809.80 is: 122,714.70
Step by Step Solution
- Step 1: Write the proportion equation
176,579.80 : 264,869.70 = 81,809.80 : x - Step 2: Convert to fraction form
176,579.80/264,869.70 = 81,809.80/x - Step 3: Cross multiply
176,579.80x = 264,869.70 × 81,809.80 - Step 4: Simplify right side
176,579.80x = 21,668,937,183.06 - Step 5: Solve for x
x = 21,668,937,183.06/176,579.80 - Step 6: Final answer
x = 122,714.70
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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.