Finding the Fourth Proportional to 102,480.99, 153,744.23 and 31,413.48
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Solution
The fourth proportional to 102,480.99, 153,744.23 and 31,413.48 is: 47,127.19
Step by Step Solution
- Step 1: Write the proportion equation
102,480.99 : 153,744.23 = 31,413.48 : x - Step 2: Convert to fraction form
102,480.99/153,744.23 = 31,413.48/x - Step 3: Cross multiply
102,480.99x = 153,744.23 × 31,413.48 - Step 4: Simplify right side
102,480.99x = 4,829,641,294.22 - Step 5: Solve for x
x = 4,829,641,294.22/102,480.99 - Step 6: Final answer
x = 47,127.19
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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.