Finding the Fourth Proportional to 220,017.18, 303,623.70 and 119,415.18
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Solution
The fourth proportional to 220,017.18, 303,623.70 and 119,415.18 is: 164,792.94
Step by Step Solution
- Step 1: Write the proportion equation
220,017.18 : 303,623.70 = 119,415.18 : x - Step 2: Convert to fraction form
220,017.18/303,623.70 = 119,415.18/x - Step 3: Cross multiply
220,017.18x = 303,623.70 × 119,415.18 - Step 4: Simplify right side
220,017.18x = 36,257,278,787.77 - Step 5: Solve for x
x = 36,257,278,787.77/220,017.18 - Step 6: Final answer
x = 164,792.94
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.