Finding the Fourth Proportional to 231,024.80, 346,537.20 and 207,405.20
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Solution
The fourth proportional to 231,024.80, 346,537.20 and 207,405.20 is: 311,107.80
Step by Step Solution
- Step 1: Write the proportion equation
231,024.80 : 346,537.20 = 207,405.20 : x - Step 2: Convert to fraction form
231,024.80/346,537.20 = 207,405.20/x - Step 3: Cross multiply
231,024.80x = 346,537.20 × 207,405.20 - Step 4: Simplify right side
231,024.80x = 71,873,617,273.44 - Step 5: Solve for x
x = 71,873,617,273.44/231,024.80 - Step 6: Final answer
x = 311,107.80
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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.