Finding the Fourth Proportional to 543,798.12, 750,561.44 and 302,163.76
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Solution
The fourth proportional to 543,798.12, 750,561.44 and 302,163.76 is: 417,052.69
Step by Step Solution
- Step 1: Write the proportion equation
543,798.12 : 750,561.44 = 302,163.76 : x - Step 2: Convert to fraction form
543,798.12/750,561.44 = 302,163.76/x - Step 3: Cross multiply
543,798.12x = 750,561.44 × 302,163.76 - Step 4: Simplify right side
543,798.12x = 226,792,466,821.41 - Step 5: Solve for x
x = 226,792,466,821.41/543,798.12 - Step 6: Final answer
x = 417,052.69
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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.