Finding the Fourth Proportional to 493,163.12, 680,526.34 and 302,150.54
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Solution
The fourth proportional to 493,163.12, 680,526.34 and 302,150.54 is: 416,943.99
Step by Step Solution
- Step 1: Write the proportion equation
493,163.12 : 680,526.34 = 302,150.54 : x - Step 2: Convert to fraction form
493,163.12/680,526.34 = 302,150.54/x - Step 3: Cross multiply
493,163.12x = 680,526.34 × 302,150.54 - Step 4: Simplify right side
493,163.12x = 205,621,396,957.22 - Step 5: Solve for x
x = 205,621,396,957.22/493,163.12 - Step 6: Final answer
x = 416,943.99
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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.