Finding the Fourth Proportional to 328,240.84, 492,363.44 and 117,880.60
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Solution
The fourth proportional to 328,240.84, 492,363.44 and 117,880.60 is: 176,821.68
Step by Step Solution
- Step 1: Write the proportion equation
328,240.84 : 492,363.44 = 117,880.60 : x - Step 2: Convert to fraction form
328,240.84/492,363.44 = 117,880.60/x - Step 3: Cross multiply
328,240.84x = 492,363.44 × 117,880.60 - Step 4: Simplify right side
328,240.84x = 58,040,097,725.26 - Step 5: Solve for x
x = 58,040,097,725.26/328,240.84 - Step 6: Final answer
x = 176,821.68
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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.