Finding the Fourth Proportional to 982,103.94, 1,473,151.86 and 272,129.94
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Solution
The fourth proportional to 982,103.94, 1,473,151.86 and 272,129.94 is: 408,193.79
Step by Step Solution
- Step 1: Write the proportion equation
982,103.94 : 1,473,151.86 = 272,129.94 : x - Step 2: Convert to fraction form
982,103.94/1,473,151.86 = 272,129.94/x - Step 3: Cross multiply
982,103.94x = 1,473,151.86 × 272,129.94 - Step 4: Simplify right side
982,103.94x = 400,888,727,272.69 - Step 5: Solve for x
x = 400,888,727,272.69/982,103.94 - Step 6: Final answer
x = 408,193.79
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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.