Finding the Fourth Proportional to 543,911.28, 750,620.94 and 302,193.84
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Solution
The fourth proportional to 543,911.28, 750,620.94 and 302,193.84 is: 417,040.49
Step by Step Solution
- Step 1: Write the proportion equation
543,911.28 : 750,620.94 = 302,193.84 : x - Step 2: Convert to fraction form
543,911.28/750,620.94 = 302,193.84/x - Step 3: Cross multiply
543,911.28x = 750,620.94 × 302,193.84 - Step 4: Simplify right side
543,911.28x = 226,833,024,243.01 - Step 5: Solve for x
x = 226,833,024,243.01/543,911.28 - Step 6: Final answer
x = 417,040.49
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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.