Finding the Fourth Proportional to 330,532.88, 455,611.92 and 303,073.88
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Solution
The fourth proportional to 330,532.88, 455,611.92 and 303,073.88 is: 417,761.99
Step by Step Solution
- Step 1: Write the proportion equation
330,532.88 : 455,611.92 = 303,073.88 : x - Step 2: Convert to fraction form
330,532.88/455,611.92 = 303,073.88/x - Step 3: Cross multiply
330,532.88x = 455,611.92 × 303,073.88 - Step 4: Simplify right side
330,532.88x = 138,084,072,368.65 - Step 5: Solve for x
x = 138,084,072,368.65/330,532.88 - Step 6: Final answer
x = 417,761.99
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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.