Finding the Fourth Proportional to 341,976.96, 515,299.68 and 281,013.12
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Solution
The fourth proportional to 341,976.96, 515,299.68 and 281,013.12 is: 423,437.80
Step by Step Solution
- Step 1: Write the proportion equation
341,976.96 : 515,299.68 = 281,013.12 : x - Step 2: Convert to fraction form
341,976.96/515,299.68 = 281,013.12/x - Step 3: Cross multiply
341,976.96x = 515,299.68 × 281,013.12 - Step 4: Simplify right side
341,976.96x = 144,805,970,811.80 - Step 5: Solve for x
x = 144,805,970,811.80/341,976.96 - Step 6: Final answer
x = 423,437.80
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.