Finding the Fourth Proportional to 626,027.46, 939,115.66 and 199,413.44
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Solution
The fourth proportional to 626,027.46, 939,115.66 and 199,413.44 is: 299,143.88
Step by Step Solution
- Step 1: Write the proportion equation
626,027.46 : 939,115.66 = 199,413.44 : x - Step 2: Convert to fraction form
626,027.46/939,115.66 = 199,413.44/x - Step 3: Cross multiply
626,027.46x = 939,115.66 × 199,413.44 - Step 4: Simplify right side
626,027.46x = 187,272,284,318.47 - Step 5: Solve for x
x = 187,272,284,318.47/626,027.46 - Step 6: Final answer
x = 299,143.88
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1.5x scale
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.