Finding the Fourth Proportional to 242,991.54, 335,351.58 and 135,571.53
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Solution
The fourth proportional to 242,991.54, 335,351.58 and 135,571.53 is: 187,101.69
Step by Step Solution
- Step 1: Write the proportion equation
242,991.54 : 335,351.58 = 135,571.53 : x - Step 2: Convert to fraction form
242,991.54/335,351.58 = 135,571.53/x - Step 3: Cross multiply
242,991.54x = 335,351.58 × 135,571.53 - Step 4: Simplify right side
242,991.54x = 45,464,126,788.52 - Step 5: Solve for x
x = 45,464,126,788.52/242,991.54 - Step 6: Final answer
x = 187,101.69
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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.