Finding the Fourth Proportional to 328,628.39, 492,937.47 and 168,611.99
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Solution
The fourth proportional to 328,628.39, 492,937.47 and 168,611.99 is: 252,915.36
Step by Step Solution
- Step 1: Write the proportion equation
328,628.39 : 492,937.47 = 168,611.99 : x - Step 2: Convert to fraction form
328,628.39/492,937.47 = 168,611.99/x - Step 3: Cross multiply
328,628.39x = 492,937.47 × 168,611.99 - Step 4: Simplify right side
328,628.39x = 83,115,165,297.58 - Step 5: Solve for x
x = 83,115,165,297.58/328,628.39 - Step 6: Final answer
x = 252,915.36
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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.