Finding the Fourth Proportional to 366,989.40, 550,484.10 and 247,415.19
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Solution
The fourth proportional to 366,989.40, 550,484.10 and 247,415.19 is: 371,122.79
Step by Step Solution
- Step 1: Write the proportion equation
366,989.40 : 550,484.10 = 247,415.19 : x - Step 2: Convert to fraction form
366,989.40/550,484.10 = 247,415.19/x - Step 3: Cross multiply
366,989.40x = 550,484.10 × 247,415.19 - Step 4: Simplify right side
366,989.40x = 136,198,128,193.48 - Step 5: Solve for x
x = 136,198,128,193.48/366,989.40 - Step 6: Final answer
x = 371,122.79
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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.