Finding the Fourth Proportional to 328,409.13, 453,204.60 and 177,506.13
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Solution
The fourth proportional to 328,409.13, 453,204.60 and 177,506.13 is: 244,958.46
Step by Step Solution
- Step 1: Write the proportion equation
328,409.13 : 453,204.60 = 177,506.13 : x - Step 2: Convert to fraction form
328,409.13/453,204.60 = 177,506.13/x - Step 3: Cross multiply
328,409.13x = 453,204.60 × 177,506.13 - Step 4: Simplify right side
328,409.13x = 80,446,593,511.19 - Step 5: Solve for x
x = 80,446,593,511.19/328,409.13 - Step 6: Final answer
x = 244,958.46
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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.