Finding the Fourth Proportional to 277,171.86, 382,497.20 and 149,847.42
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Solution
The fourth proportional to 277,171.86, 382,497.20 and 149,847.42 is: 206,789.46
Step by Step Solution
- Step 1: Write the proportion equation
277,171.86 : 382,497.20 = 149,847.42 : x - Step 2: Convert to fraction form
277,171.86/382,497.20 = 149,847.42/x - Step 3: Cross multiply
277,171.86x = 382,497.20 × 149,847.42 - Step 4: Simplify right side
277,171.86x = 57,316,218,577.22 - Step 5: Solve for x
x = 57,316,218,577.22/277,171.86 - Step 6: Final answer
x = 206,789.46
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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.