Finding the Fourth Proportional to 277,348.20, 415,645.38 and 117,291.12
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Solution
The fourth proportional to 277,348.20, 415,645.38 and 117,291.12 is: 175,777.28
Step by Step Solution
- Step 1: Write the proportion equation
277,348.20 : 415,645.38 = 117,291.12 : x - Step 2: Convert to fraction form
277,348.20/415,645.38 = 117,291.12/x - Step 3: Cross multiply
277,348.20x = 415,645.38 × 117,291.12 - Step 4: Simplify right side
277,348.20x = 48,751,512,143.03 - Step 5: Solve for x
x = 48,751,512,143.03/277,348.20 - Step 6: Final answer
x = 175,777.28
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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.