Finding the Fourth Proportional to 313,763.13, 432,995.99 and 170,523.54
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Solution
The fourth proportional to 313,763.13, 432,995.99 and 170,523.54 is: 235,324.04
Step by Step Solution
- Step 1: Write the proportion equation
313,763.13 : 432,995.99 = 170,523.54 : x - Step 2: Convert to fraction form
313,763.13/432,995.99 = 170,523.54/x - Step 3: Cross multiply
313,763.13x = 432,995.99 × 170,523.54 - Step 4: Simplify right side
313,763.13x = 73,836,008,167.99 - Step 5: Solve for x
x = 73,836,008,167.99/313,763.13 - Step 6: Final answer
x = 235,324.04
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.