Finding the Fourth Proportional to 250,177.86, 345,244.98 and 135,456.62
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Solution
The fourth proportional to 250,177.86, 345,244.98 and 135,456.62 is: 186,929.88
Step by Step Solution
- Step 1: Write the proportion equation
250,177.86 : 345,244.98 = 135,456.62 : x - Step 2: Convert to fraction form
250,177.86/345,244.98 = 135,456.62/x - Step 3: Cross multiply
250,177.86x = 345,244.98 × 135,456.62 - Step 4: Simplify right side
250,177.86x = 46,765,716,336.54 - Step 5: Solve for x
x = 46,765,716,336.54/250,177.86 - Step 6: Final answer
x = 186,929.88
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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.