Finding the Fourth Proportional to 194,475.96, 291,714.24 and 128,212.08
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Solution
The fourth proportional to 194,475.96, 291,714.24 and 128,212.08 is: 192,318.32
Step by Step Solution
- Step 1: Write the proportion equation
194,475.96 : 291,714.24 = 128,212.08 : x - Step 2: Convert to fraction form
194,475.96/291,714.24 = 128,212.08/x - Step 3: Cross multiply
194,475.96x = 291,714.24 × 128,212.08 - Step 4: Simplify right side
194,475.96x = 37,401,289,476.02 - Step 5: Solve for x
x = 37,401,289,476.02/194,475.96 - Step 6: Final answer
x = 192,318.32
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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.