Finding the Fourth Proportional to 118,158.17, 177,236.34 and 29,411.09
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Solution
The fourth proportional to 118,158.17, 177,236.34 and 29,411.09 is: 44,116.40
Step by Step Solution
- Step 1: Write the proportion equation
118,158.17 : 177,236.34 = 29,411.09 : x - Step 2: Convert to fraction form
118,158.17/177,236.34 = 29,411.09/x - Step 3: Cross multiply
118,158.17x = 177,236.34 × 29,411.09 - Step 4: Simplify right side
118,158.17x = 5,212,713,060.83 - Step 5: Solve for x
x = 5,212,713,060.83/118,158.17 - Step 6: Final answer
x = 44,116.40
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1.5x scale
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.