Finding the Fourth Proportional to 613,413.27, 918,789.48 and 297,207.09
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Solution
The fourth proportional to 613,413.27, 918,789.48 and 297,207.09 is: 445,166.03
Step by Step Solution
- Step 1: Write the proportion equation
613,413.27 : 918,789.48 = 297,207.09 : x - Step 2: Convert to fraction form
613,413.27/918,789.48 = 297,207.09/x - Step 3: Cross multiply
613,413.27x = 918,789.48 × 297,207.09 - Step 4: Simplify right side
613,413.27x = 273,070,747,673.41 - Step 5: Solve for x
x = 273,070,747,673.41/613,413.27 - Step 6: Final answer
x = 445,166.03
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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.