Finding the Fourth Proportional to 753,180, 1,129,768.96 and 192,214.48
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Solution
The fourth proportional to 753,180, 1,129,768.96 and 192,214.48 is: 288,321.45
Step by Step Solution
- Step 1: Write the proportion equation
753,180 : 1,129,768.96 = 192,214.48 : x - Step 2: Convert to fraction form
753,180/1,129,768.96 = 192,214.48/x - Step 3: Cross multiply
753,180x = 1,129,768.96 × 192,214.48 - Step 4: Simplify right side
753,180x = 217,157,953,166.54 - Step 5: Solve for x
x = 217,157,953,166.54/753,180 - Step 6: Final answer
x = 288,321.45
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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.