Finding the Fourth Proportional to 313,633.41, 432,816.17 and 170,393.41
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Solution
The fourth proportional to 313,633.41, 432,816.17 and 170,393.41 is: 235,144.03
Step by Step Solution
- Step 1: Write the proportion equation
313,633.41 : 432,816.17 = 170,393.41 : x - Step 2: Convert to fraction form
313,633.41/432,816.17 = 170,393.41/x - Step 3: Cross multiply
313,633.41x = 432,816.17 × 170,393.41 - Step 4: Simplify right side
313,633.41x = 73,749,023,109.44 - Step 5: Solve for x
x = 73,749,023,109.44/313,633.41 - Step 6: Final answer
x = 235,144.03
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1.5x scale
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.