Finding the Fourth Proportional to 242,924.13, 335,235.90 and 135,501.12
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Solution
The fourth proportional to 242,924.13, 335,235.90 and 135,501.12 is: 186,991.88
Step by Step Solution
- Step 1: Write the proportion equation
242,924.13 : 335,235.90 = 135,501.12 : x - Step 2: Convert to fraction form
242,924.13/335,235.90 = 135,501.12/x - Step 3: Cross multiply
242,924.13x = 335,235.90 × 135,501.12 - Step 4: Simplify right side
242,924.13x = 45,424,839,236.70 - Step 5: Solve for x
x = 45,424,839,236.70/242,924.13 - Step 6: Final answer
x = 186,991.88
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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.