Finding the Fourth Proportional to 242,996.81, 335,334.67 and 135,566.91
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Solution
The fourth proportional to 242,996.81, 335,334.67 and 135,566.91 is: 187,081.82
Step by Step Solution
- Step 1: Write the proportion equation
242,996.81 : 335,334.67 = 135,566.91 : x - Step 2: Convert to fraction form
242,996.81/335,334.67 = 135,566.91/x - Step 3: Cross multiply
242,996.81x = 335,334.67 × 135,566.91 - Step 4: Simplify right side
242,996.81x = 45,460,284,688.85 - Step 5: Solve for x
x = 45,460,284,688.85/242,996.81 - Step 6: Final answer
x = 187,081.82
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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.