Finding the Fourth Proportional to 313,772.88, 433,006.62 and 170,532.92
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Solution
The fourth proportional to 313,772.88, 433,006.62 and 170,532.92 is: 235,335.45
Step by Step Solution
- Step 1: Write the proportion equation
313,772.88 : 433,006.62 = 170,532.92 : x - Step 2: Convert to fraction form
313,772.88/433,006.62 = 170,532.92/x - Step 3: Cross multiply
313,772.88x = 433,006.62 × 170,532.92 - Step 4: Simplify right side
313,772.88x = 73,841,883,287.93 - Step 5: Solve for x
x = 73,841,883,287.93/313,772.88 - Step 6: Final answer
x = 235,335.45
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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.