Finding the Fourth Proportional to 457,141.82, 685,757.84 and 157,582.96
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Solution
The fourth proportional to 457,141.82, 685,757.84 and 157,582.96 is: 236,389.99
Step by Step Solution
- Step 1: Write the proportion equation
457,141.82 : 685,757.84 = 157,582.96 : x - Step 2: Convert to fraction form
457,141.82/685,757.84 = 157,582.96/x - Step 3: Cross multiply
457,141.82x = 685,757.84 × 157,582.96 - Step 4: Simplify right side
457,141.82x = 108,063,750,270.41 - Step 5: Solve for x
x = 108,063,750,270.41/457,141.82 - Step 6: Final answer
x = 236,389.99
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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.