Finding the Fourth Proportional to 250,391.05, 345,539.99 and 135,670.93
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Solution
The fourth proportional to 250,391.05, 345,539.99 and 135,670.93 is: 187,226.08
Step by Step Solution
- Step 1: Write the proportion equation
250,391.05 : 345,539.99 = 135,670.93 : x - Step 2: Convert to fraction form
250,391.05/345,539.99 = 135,670.93/x - Step 3: Cross multiply
250,391.05x = 345,539.99 × 135,670.93 - Step 4: Simplify right side
250,391.05x = 46,879,733,214.48 - Step 5: Solve for x
x = 46,879,733,214.48/250,391.05 - Step 6: Final answer
x = 187,226.08
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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.