Finding the Fourth Proportional to 455,135.49, 682,791.12 and 174,630.87
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Solution
The fourth proportional to 455,135.49, 682,791.12 and 174,630.87 is: 261,980.03
Step by Step Solution
- Step 1: Write the proportion equation
455,135.49 : 682,791.12 = 174,630.87 : x - Step 2: Convert to fraction form
455,135.49/682,791.12 = 174,630.87/x - Step 3: Cross multiply
455,135.49x = 682,791.12 × 174,630.87 - Step 4: Simplify right side
455,135.49x = 119,236,407,313.87 - Step 5: Solve for x
x = 119,236,407,313.87/455,135.49 - Step 6: Final answer
x = 261,980.03
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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.