Finding the Fourth Proportional to 982,121.94, 1,473,178.86 and 272,147.94
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Solution
The fourth proportional to 982,121.94, 1,473,178.86 and 272,147.94 is: 408,220.79
Step by Step Solution
- Step 1: Write the proportion equation
982,121.94 : 1,473,178.86 = 272,147.94 : x - Step 2: Convert to fraction form
982,121.94/1,473,178.86 = 272,147.94/x - Step 3: Cross multiply
982,121.94x = 1,473,178.86 × 272,147.94 - Step 4: Simplify right side
982,121.94x = 400,922,592,000.55 - Step 5: Solve for x
x = 400,922,592,000.55/982,121.94 - Step 6: Final answer
x = 408,220.79
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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.