Finding the Fourth Proportional to 250,135.13, 345,186.05 and 135,413.72
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Solution
The fourth proportional to 250,135.13, 345,186.05 and 135,413.72 is: 186,870.70
Step by Step Solution
- Step 1: Write the proportion equation
250,135.13 : 345,186.05 = 135,413.72 : x - Step 2: Convert to fraction form
250,135.13/345,186.05 = 135,413.72/x - Step 3: Cross multiply
250,135.13x = 345,186.05 × 135,413.72 - Step 4: Simplify right side
250,135.13x = 46,742,924,719.61 - Step 5: Solve for x
x = 46,742,924,719.61/250,135.13 - Step 6: Final answer
x = 186,870.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.