Finding the Fourth Proportional to 190,233.36, 285,349.68 and 57,113.40
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Solution
The fourth proportional to 190,233.36, 285,349.68 and 57,113.40 is: 85,669.99
Step by Step Solution
- Step 1: Write the proportion equation
190,233.36 : 285,349.68 = 57,113.40 : x - Step 2: Convert to fraction form
190,233.36/285,349.68 = 57,113.40/x - Step 3: Cross multiply
190,233.36x = 285,349.68 × 57,113.40 - Step 4: Simplify right side
190,233.36x = 16,297,290,413.71 - Step 5: Solve for x
x = 16,297,290,413.71/190,233.36 - Step 6: Final answer
x = 85,669.99
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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.