Finding the Fourth Proportional to 457,677.29, 686,515.97 and 177,194.54
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Solution
The fourth proportional to 457,677.29, 686,515.97 and 177,194.54 is: 265,791.83
Step by Step Solution
- Step 1: Write the proportion equation
457,677.29 : 686,515.97 = 177,194.54 : x - Step 2: Convert to fraction form
457,677.29/686,515.97 = 177,194.54/x - Step 3: Cross multiply
457,677.29x = 686,515.97 × 177,194.54 - Step 4: Simplify right side
457,677.29x = 121,646,883,666.08 - Step 5: Solve for x
x = 121,646,883,666.08/457,677.29 - Step 6: Final answer
x = 265,791.83
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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.