Finding the Fourth Proportional to 305,343.52, 457,517.28 and 155,377.60
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Solution
The fourth proportional to 305,343.52, 457,517.28 and 155,377.60 is: 232,812.99
Step by Step Solution
- Step 1: Write the proportion equation
305,343.52 : 457,517.28 = 155,377.60 : x - Step 2: Convert to fraction form
305,343.52/457,517.28 = 155,377.60/x - Step 3: Cross multiply
305,343.52x = 457,517.28 × 155,377.60 - Step 4: Simplify right side
305,343.52x = 71,087,936,924.93 - Step 5: Solve for x
x = 71,087,936,924.93/305,343.52 - Step 6: Final answer
x = 232,812.99
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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.