Finding the Fourth Proportional to 511,174.05, 766,760.96 and 137,197.05
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Solution
The fourth proportional to 511,174.05, 766,760.96 and 137,197.05 is: 205,795.54
Step by Step Solution
- Step 1: Write the proportion equation
511,174.05 : 766,760.96 = 137,197.05 : x - Step 2: Convert to fraction form
511,174.05/766,760.96 = 137,197.05/x - Step 3: Cross multiply
511,174.05x = 766,760.96 × 137,197.05 - Step 4: Simplify right side
511,174.05x = 105,197,341,081.18 - Step 5: Solve for x
x = 105,197,341,081.18/511,174.05 - Step 6: Final answer
x = 205,795.54
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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.