Finding the Fourth Proportional to 309,042.24, 463,758.36 and 131,548.96
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Solution
The fourth proportional to 309,042.24, 463,758.36 and 131,548.96 is: 197,406.44
Step by Step Solution
- Step 1: Write the proportion equation
309,042.24 : 463,758.36 = 131,548.96 : x - Step 2: Convert to fraction form
309,042.24/463,758.36 = 131,548.96/x - Step 3: Cross multiply
309,042.24x = 463,758.36 × 131,548.96 - Step 4: Simplify right side
309,042.24x = 61,006,929,949.31 - Step 5: Solve for x
x = 61,006,929,949.31/309,042.24 - Step 6: Final answer
x = 197,406.44
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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.