Finding the Fourth Proportional to 414,084.19, 620,683.41 and 189,107.50
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Solution
The fourth proportional to 414,084.19, 620,683.41 and 189,107.50 is: 283,458.99
Step by Step Solution
- Step 1: Write the proportion equation
414,084.19 : 620,683.41 = 189,107.50 : x - Step 2: Convert to fraction form
414,084.19/620,683.41 = 189,107.50/x - Step 3: Cross multiply
414,084.19x = 620,683.41 × 189,107.50 - Step 4: Simplify right side
414,084.19x = 117,375,887,956.58 - Step 5: Solve for x
x = 117,375,887,956.58/414,084.19 - Step 6: Final answer
x = 283,458.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.