Finding the Fourth Proportional to 242,924.76, 335,236.76 and 135,501.75
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Solution
The fourth proportional to 242,924.76, 335,236.76 and 135,501.75 is: 186,992.74
Step by Step Solution
- Step 1: Write the proportion equation
242,924.76 : 335,236.76 = 135,501.75 : x - Step 2: Convert to fraction form
242,924.76/335,236.76 = 135,501.75/x - Step 3: Cross multiply
242,924.76x = 335,236.76 × 135,501.75 - Step 4: Simplify right side
242,924.76x = 45,425,167,644.33 - Step 5: Solve for x
x = 45,425,167,644.33/242,924.76 - Step 6: Final answer
x = 186,992.74
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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.