Finding the Fourth Proportional to 311,097.79, 466,714.72 and 100,756.99
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Solution
The fourth proportional to 311,097.79, 466,714.72 and 100,756.99 is: 151,157.51
Step by Step Solution
- Step 1: Write the proportion equation
311,097.79 : 466,714.72 = 100,756.99 : x - Step 2: Convert to fraction form
311,097.79/466,714.72 = 100,756.99/x - Step 3: Cross multiply
311,097.79x = 466,714.72 × 100,756.99 - Step 4: Simplify right side
311,097.79x = 47,024,768,042.32 - Step 5: Solve for x
x = 47,024,768,042.32/311,097.79 - Step 6: Final answer
x = 151,157.51
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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.