Finding the Fourth Proportional to 242,764.07, 335,014.47 and 135,331.79
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Solution
The fourth proportional to 242,764.07, 335,014.47 and 135,331.79 is: 186,757.90
Step by Step Solution
- Step 1: Write the proportion equation
242,764.07 : 335,014.47 = 135,331.79 : x - Step 2: Convert to fraction form
242,764.07/335,014.47 = 135,331.79/x - Step 3: Cross multiply
242,764.07x = 335,014.47 × 135,331.79 - Step 4: Simplify right side
242,764.07x = 45,338,106,225.93 - Step 5: Solve for x
x = 45,338,106,225.93/242,764.07 - Step 6: Final answer
x = 186,757.90
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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.