Finding the Fourth Proportional to 197,953.80, 273,176.50 and 107,310.28
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Solution
The fourth proportional to 197,953.80, 273,176.50 and 107,310.28 is: 148,088.33
Step by Step Solution
- Step 1: Write the proportion equation
197,953.80 : 273,176.50 = 107,310.28 : x - Step 2: Convert to fraction form
197,953.80/273,176.50 = 107,310.28/x - Step 3: Cross multiply
197,953.80x = 273,176.50 × 107,310.28 - Step 4: Simplify right side
197,953.80x = 29,314,646,704.42 - Step 5: Solve for x
x = 29,314,646,704.42/197,953.80 - Step 6: Final answer
x = 148,088.33
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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.