Finding the Fourth Proportional to 245,884.20, 368,912.70 and 88,117.80
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Solution
The fourth proportional to 245,884.20, 368,912.70 and 88,117.80 is: 132,207.66
Step by Step Solution
- Step 1: Write the proportion equation
245,884.20 : 368,912.70 = 88,117.80 : x - Step 2: Convert to fraction form
245,884.20/368,912.70 = 88,117.80/x - Step 3: Cross multiply
245,884.20x = 368,912.70 × 88,117.80 - Step 4: Simplify right side
245,884.20x = 32,507,775,516.06 - Step 5: Solve for x
x = 32,507,775,516.06/245,884.20 - Step 6: Final answer
x = 132,207.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.