Finding the Fourth Proportional to 309,135.97, 463,713.09 and 263,871.95
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Solution
The fourth proportional to 309,135.97, 463,713.09 and 263,871.95 is: 395,815.72
Step by Step Solution
- Step 1: Write the proportion equation
309,135.97 : 463,713.09 = 263,871.95 : x - Step 2: Convert to fraction form
309,135.97/463,713.09 = 263,871.95/x - Step 3: Cross multiply
309,135.97x = 463,713.09 × 263,871.95 - Step 4: Simplify right side
309,135.97x = 122,360,874,980.26 - Step 5: Solve for x
x = 122,360,874,980.26/309,135.97 - Step 6: Final answer
x = 395,815.72
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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.