Finding the Fourth Proportional to 366,989.30, 550,483.95 and 247,415.08
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Solution
The fourth proportional to 366,989.30, 550,483.95 and 247,415.08 is: 371,122.62
Step by Step Solution
- Step 1: Write the proportion equation
366,989.30 : 550,483.95 = 247,415.08 : x - Step 2: Convert to fraction form
366,989.30/550,483.95 = 247,415.08/x - Step 3: Cross multiply
366,989.30x = 550,483.95 × 247,415.08 - Step 4: Simplify right side
366,989.30x = 136,198,030,527.97 - Step 5: Solve for x
x = 136,198,030,527.97/366,989.30 - Step 6: Final answer
x = 371,122.62
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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.