Finding the Fourth Proportional to 313,756.43, 432,990.26 and 170,525.69
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Solution
The fourth proportional to 313,756.43, 432,990.26 and 170,525.69 is: 235,328.92
Step by Step Solution
- Step 1: Write the proportion equation
313,756.43 : 432,990.26 = 170,525.69 : x - Step 2: Convert to fraction form
313,756.43/432,990.26 = 170,525.69/x - Step 3: Cross multiply
313,756.43x = 432,990.26 × 170,525.69 - Step 4: Simplify right side
313,756.43x = 73,835,959,832.20 - Step 5: Solve for x
x = 73,835,959,832.20/313,756.43 - Step 6: Final answer
x = 235,328.92
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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.