Finding the Fourth Proportional to 216,118.14, 298,230.89 and 120,630.98
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Solution
The fourth proportional to 216,118.14, 298,230.89 and 120,630.98 is: 166,463.98
Step by Step Solution
- Step 1: Write the proportion equation
216,118.14 : 298,230.89 = 120,630.98 : x - Step 2: Convert to fraction form
216,118.14/298,230.89 = 120,630.98/x - Step 3: Cross multiply
216,118.14x = 298,230.89 × 120,630.98 - Step 4: Simplify right side
216,118.14x = 35,975,885,574.13 - Step 5: Solve for x
x = 35,975,885,574.13/216,118.14 - Step 6: Final answer
x = 166,463.98
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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.