Finding the Fourth Proportional to 124,379.18, 186,565.26 and 30,884.66
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Solution
The fourth proportional to 124,379.18, 186,565.26 and 30,884.66 is: 46,326.12
Step by Step Solution
- Step 1: Write the proportion equation
124,379.18 : 186,565.26 = 30,884.66 : x - Step 2: Convert to fraction form
124,379.18/186,565.26 = 30,884.66/x - Step 3: Cross multiply
124,379.18x = 186,565.26 × 30,884.66 - Step 4: Simplify right side
124,379.18x = 5,762,004,622.91 - Step 5: Solve for x
x = 5,762,004,622.91/124,379.18 - Step 6: Final answer
x = 46,326.12
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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.