Finding the Fourth Proportional to 277,405.36, 416,109.12 and 67,042.96
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Solution
The fourth proportional to 277,405.36, 416,109.12 and 67,042.96 is: 100,564.70
Step by Step Solution
- Step 1: Write the proportion equation
277,405.36 : 416,109.12 = 67,042.96 : x - Step 2: Convert to fraction form
277,405.36/416,109.12 = 67,042.96/x - Step 3: Cross multiply
277,405.36x = 416,109.12 × 67,042.96 - Step 4: Simplify right side
277,405.36x = 27,897,187,087.80 - Step 5: Solve for x
x = 27,897,187,087.80/277,405.36 - Step 6: Final answer
x = 100,564.70
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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.