Finding the Fourth Proportional to 287,003.35, 430,413.55 and 94,841.99
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Solution
The fourth proportional to 287,003.35, 430,413.55 and 94,841.99 is: 142,232.75
Step by Step Solution
- Step 1: Write the proportion equation
287,003.35 : 430,413.55 = 94,841.99 : x - Step 2: Convert to fraction form
287,003.35/430,413.55 = 94,841.99/x - Step 3: Cross multiply
287,003.35x = 430,413.55 × 94,841.99 - Step 4: Simplify right side
287,003.35x = 40,821,276,829.84 - Step 5: Solve for x
x = 40,821,276,829.84/287,003.35 - Step 6: Final answer
x = 142,232.75
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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.