Finding the Fourth Proportional to 330,120.51, 455,569.97 and 186,877.41
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Solution
The fourth proportional to 330,120.51, 455,569.97 and 186,877.41 is: 257,892.90
Step by Step Solution
- Step 1: Write the proportion equation
330,120.51 : 455,569.97 = 186,877.41 : x - Step 2: Convert to fraction form
330,120.51/455,569.97 = 186,877.41/x - Step 3: Cross multiply
330,120.51x = 455,569.97 × 186,877.41 - Step 4: Simplify right side
330,120.51x = 85,135,735,132.99 - Step 5: Solve for x
x = 85,135,735,132.99/330,120.51 - Step 6: Final answer
x = 257,892.90
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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.