Finding the Fourth Proportional to 118,525.92, 177,783.12 and 29,777.40
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Solution
The fourth proportional to 118,525.92, 177,783.12 and 29,777.40 is: 44,664.65
Step by Step Solution
- Step 1: Write the proportion equation
118,525.92 : 177,783.12 = 29,777.40 : x - Step 2: Convert to fraction form
118,525.92/177,783.12 = 29,777.40/x - Step 3: Cross multiply
118,525.92x = 177,783.12 × 29,777.40 - Step 4: Simplify right side
118,525.92x = 5,293,919,077.49 - Step 5: Solve for x
x = 5,293,919,077.49/118,525.92 - Step 6: Final answer
x = 44,664.65
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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.