Finding the Fourth Proportional to 305,516.21, 458,269.27 and 125,565.17
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Solution
The fourth proportional to 305,516.21, 458,269.27 and 125,565.17 is: 188,345.68
Step by Step Solution
- Step 1: Write the proportion equation
305,516.21 : 458,269.27 = 125,565.17 : x - Step 2: Convert to fraction form
305,516.21/458,269.27 = 125,565.17/x - Step 3: Cross multiply
305,516.21x = 458,269.27 × 125,565.17 - Step 4: Simplify right side
305,516.21x = 57,542,658,793.33 - Step 5: Solve for x
x = 57,542,658,793.33/305,516.21 - Step 6: Final answer
x = 188,345.68
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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.