Finding the Fourth Proportional to 239,226.97, 330,132.45 and 131,796.07
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Solution
The fourth proportional to 239,226.97, 330,132.45 and 131,796.07 is: 181,878.15
Step by Step Solution
- Step 1: Write the proportion equation
239,226.97 : 330,132.45 = 131,796.07 : x - Step 2: Convert to fraction form
239,226.97/330,132.45 = 131,796.07/x - Step 3: Cross multiply
239,226.97x = 330,132.45 × 131,796.07 - Step 4: Simplify right side
239,226.97x = 43,510,159,489.47 - Step 5: Solve for x
x = 43,510,159,489.47/239,226.97 - Step 6: Final answer
x = 181,878.15
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1.5x scale
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.