Finding the Fourth Proportional to 296,877.18, 445,280.24 and 83,661.09
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Solution
The fourth proportional to 296,877.18, 445,280.24 and 83,661.09 is: 125,481.61
Step by Step Solution
- Step 1: Write the proportion equation
296,877.18 : 445,280.24 = 83,661.09 : x - Step 2: Convert to fraction form
296,877.18/445,280.24 = 83,661.09/x - Step 3: Cross multiply
296,877.18x = 445,280.24 × 83,661.09 - Step 4: Simplify right side
296,877.18x = 37,252,628,302.62 - Step 5: Solve for x
x = 37,252,628,302.62/296,877.18 - Step 6: Final answer
x = 125,481.61
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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.