Finding the Fourth Proportional to 414,279.24, 620,987.94 and 281,170.32
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Solution
The fourth proportional to 414,279.24, 620,987.94 and 281,170.32 is: 421,463.02
Step by Step Solution
- Step 1: Write the proportion equation
414,279.24 : 620,987.94 = 281,170.32 : x - Step 2: Convert to fraction form
414,279.24/620,987.94 = 281,170.32/x - Step 3: Cross multiply
414,279.24x = 620,987.94 × 281,170.32 - Step 4: Simplify right side
414,279.24x = 174,603,377,805.94 - Step 5: Solve for x
x = 174,603,377,805.94/414,279.24 - Step 6: Final answer
x = 421,463.02
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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.