Finding the Fourth Proportional to 547,272.57, 755,204.41 and 305,570.44
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Solution
The fourth proportional to 547,272.57, 755,204.41 and 305,570.44 is: 421,669.49
Step by Step Solution
- Step 1: Write the proportion equation
547,272.57 : 755,204.41 = 305,570.44 : x - Step 2: Convert to fraction form
547,272.57/755,204.41 = 305,570.44/x - Step 3: Cross multiply
547,272.57x = 755,204.41 × 305,570.44 - Step 4: Simplify right side
547,272.57x = 230,768,142,325.79 - Step 5: Solve for x
x = 230,768,142,325.79/547,272.57 - Step 6: Final answer
x = 421,669.49
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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.