Finding the Fourth Proportional to 239,548.80, 359,272.80 and 121,108.80
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Solution
The fourth proportional to 239,548.80, 359,272.80 and 121,108.80 is: 181,637.72
Step by Step Solution
- Step 1: Write the proportion equation
239,548.80 : 359,272.80 = 121,108.80 : x - Step 2: Convert to fraction form
239,548.80/359,272.80 = 121,108.80/x - Step 3: Cross multiply
239,548.80x = 359,272.80 × 121,108.80 - Step 4: Simplify right side
239,548.80x = 43,511,097,680.64 - Step 5: Solve for x
x = 43,511,097,680.64/239,548.80 - Step 6: Final answer
x = 181,637.72
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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.