Finding the Fourth Proportional to 1,107,593.88, 1,661,366.94 and 308,854.14
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Solution
The fourth proportional to 1,107,593.88, 1,661,366.94 and 308,854.14 is: 463,274.55
Step by Step Solution
- Step 1: Write the proportion equation
1,107,593.88 : 1,661,366.94 = 308,854.14 : x - Step 2: Convert to fraction form
1,107,593.88/1,661,366.94 = 308,854.14/x - Step 3: Cross multiply
1,107,593.88x = 1,661,366.94 × 308,854.14 - Step 4: Simplify right side
1,107,593.88x = 513,120,057,478.13 - Step 5: Solve for x
x = 513,120,057,478.13/1,107,593.88 - Step 6: Final answer
x = 463,274.55
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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.