Finding the Fourth Proportional to 277,901.70, 416,852.55 and 259,239.30
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Solution
The fourth proportional to 277,901.70, 416,852.55 and 259,239.30 is: 388,858.95
Step by Step Solution
- Step 1: Write the proportion equation
277,901.70 : 416,852.55 = 259,239.30 : x - Step 2: Convert to fraction form
277,901.70/416,852.55 = 259,239.30/x - Step 3: Cross multiply
277,901.70x = 416,852.55 × 259,239.30 - Step 4: Simplify right side
277,901.70x = 108,064,563,265.22 - Step 5: Solve for x
x = 108,064,563,265.22/277,901.70 - Step 6: Final answer
x = 388,858.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.