Finding the Fourth Proportional to 543,313.36, 749,734.93 and 301,576.90
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Solution
The fourth proportional to 543,313.36, 749,734.93 and 301,576.90 is: 416,155.31
Step by Step Solution
- Step 1: Write the proportion equation
543,313.36 : 749,734.93 = 301,576.90 : x - Step 2: Convert to fraction form
543,313.36/749,734.93 = 301,576.90/x - Step 3: Cross multiply
543,313.36x = 749,734.93 × 301,576.90 - Step 4: Simplify right side
543,313.36x = 226,102,738,639.40 - Step 5: Solve for x
x = 226,102,738,639.40/543,313.36 - Step 6: Final answer
x = 416,155.31
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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.