Finding the Fourth Proportional to 340,435.08, 469,771.38 and 189,546.12
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Solution
The fourth proportional to 340,435.08, 469,771.38 and 189,546.12 is: 261,557.48
Step by Step Solution
- Step 1: Write the proportion equation
340,435.08 : 469,771.38 = 189,546.12 : x - Step 2: Convert to fraction form
340,435.08/469,771.38 = 189,546.12/x - Step 3: Cross multiply
340,435.08x = 469,771.38 × 189,546.12 - Step 4: Simplify right side
340,435.08x = 89,043,342,366.05 - Step 5: Solve for x
x = 89,043,342,366.05/340,435.08 - Step 6: Final answer
x = 261,557.48
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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.