Finding the Fourth Proportional to 302,409.19, 417,150.87 and 189,035.11
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Solution
The fourth proportional to 302,409.19, 417,150.87 and 189,035.11 is: 260,759.80
Step by Step Solution
- Step 1: Write the proportion equation
302,409.19 : 417,150.87 = 189,035.11 : x - Step 2: Convert to fraction form
302,409.19/417,150.87 = 189,035.11/x - Step 3: Cross multiply
302,409.19x = 417,150.87 × 189,035.11 - Step 4: Simplify right side
302,409.19x = 78,856,160,597.05 - Step 5: Solve for x
x = 78,856,160,597.05/302,409.19 - Step 6: Final answer
x = 260,759.80
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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.