Finding the Fourth Proportional to 242,924.76, 335,236.74 and 135,501.74
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Solution
The fourth proportional to 242,924.76, 335,236.74 and 135,501.74 is: 186,992.72
Step by Step Solution
- Step 1: Write the proportion equation
242,924.76 : 335,236.74 = 135,501.74 : x - Step 2: Convert to fraction form
242,924.76/335,236.74 = 135,501.74/x - Step 3: Cross multiply
242,924.76x = 335,236.74 × 135,501.74 - Step 4: Simplify right side
242,924.76x = 45,425,161,581.93 - Step 5: Solve for x
x = 45,425,161,581.93/242,924.76 - Step 6: Final answer
x = 186,992.72
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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.