Finding the Fourth Proportional to 216,278.26, 298,463.02 and 119,482.14
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Solution
The fourth proportional to 216,278.26, 298,463.02 and 119,482.14 is: 164,884.81
Step by Step Solution
- Step 1: Write the proportion equation
216,278.26 : 298,463.02 = 119,482.14 : x - Step 2: Convert to fraction form
216,278.26/298,463.02 = 119,482.14/x - Step 3: Cross multiply
216,278.26x = 298,463.02 × 119,482.14 - Step 4: Simplify right side
216,278.26x = 35,661,000,340.46 - Step 5: Solve for x
x = 35,661,000,340.46/216,278.26 - Step 6: Final answer
x = 164,884.81
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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.