Finding the Fourth Proportional to 216,476.48, 298,737.98 and 120,983.18
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Solution
The fourth proportional to 216,476.48, 298,737.98 and 120,983.18 is: 166,957.02
Step by Step Solution
- Step 1: Write the proportion equation
216,476.48 : 298,737.98 = 120,983.18 : x - Step 2: Convert to fraction form
216,476.48/298,737.98 = 120,983.18/x - Step 3: Cross multiply
216,476.48x = 298,737.98 × 120,983.18 - Step 4: Simplify right side
216,476.48x = 36,142,269,162.26 - Step 5: Solve for x
x = 36,142,269,162.26/216,476.48 - Step 6: Final answer
x = 166,957.02
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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.