Finding the Fourth Proportional to 115,430.36, 173,014.30 and 48,828.92
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Solution
The fourth proportional to 115,430.36, 173,014.30 and 48,828.92 is: 73,187.86
Step by Step Solution
- Step 1: Write the proportion equation
115,430.36 : 173,014.30 = 48,828.92 : x - Step 2: Convert to fraction form
115,430.36/173,014.30 = 48,828.92/x - Step 3: Cross multiply
115,430.36x = 173,014.30 × 48,828.92 - Step 4: Simplify right side
115,430.36x = 8,448,101,413.56 - Step 5: Solve for x
x = 8,448,101,413.56/115,430.36 - Step 6: Final answer
x = 73,187.86
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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.