Finding the Fourth Proportional to 366,989.80, 550,484.70 and 247,415.58
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Solution
The fourth proportional to 366,989.80, 550,484.70 and 247,415.58 is: 371,123.37
Step by Step Solution
- Step 1: Write the proportion equation
366,989.80 : 550,484.70 = 247,415.58 : x - Step 2: Convert to fraction form
366,989.80/550,484.70 = 247,415.58/x - Step 3: Cross multiply
366,989.80x = 550,484.70 × 247,415.58 - Step 4: Simplify right side
366,989.80x = 136,198,491,331.63 - Step 5: Solve for x
x = 136,198,491,331.63/366,989.80 - Step 6: Final answer
x = 371,123.37
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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.