Finding the Fourth Proportional to 277,362.21, 382,657.11 and 204,939.71
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Solution
The fourth proportional to 277,362.21, 382,657.11 and 204,939.71 is: 282,740.88
Step by Step Solution
- Step 1: Write the proportion equation
277,362.21 : 382,657.11 = 204,939.71 : x - Step 2: Convert to fraction form
277,362.21/382,657.11 = 204,939.71/x - Step 3: Cross multiply
277,362.21x = 382,657.11 × 204,939.71 - Step 4: Simplify right side
277,362.21x = 78,421,635,239.55 - Step 5: Solve for x
x = 78,421,635,239.55/277,362.21 - Step 6: Final answer
x = 282,740.88
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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.