Finding the Fourth Proportional to 149,445.09, 206,226.70 and 84,905.88
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Solution
The fourth proportional to 149,445.09, 206,226.70 and 84,905.88 is: 117,165.84
Step by Step Solution
- Step 1: Write the proportion equation
149,445.09 : 206,226.70 = 84,905.88 : x - Step 2: Convert to fraction form
149,445.09/206,226.70 = 84,905.88/x - Step 3: Cross multiply
149,445.09x = 206,226.70 × 84,905.88 - Step 4: Simplify right side
149,445.09x = 17,509,859,443.00 - Step 5: Solve for x
x = 17,509,859,443.00/149,445.09 - Step 6: Final answer
x = 117,165.84
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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.