Finding the Fourth Proportional to 242,756.57, 335,004.12 and 135,324.29
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Solution
The fourth proportional to 242,756.57, 335,004.12 and 135,324.29 is: 186,747.55
Step by Step Solution
- Step 1: Write the proportion equation
242,756.57 : 335,004.12 = 135,324.29 : x - Step 2: Convert to fraction form
242,756.57/335,004.12 = 135,324.29/x - Step 3: Cross multiply
242,756.57x = 335,004.12 × 135,324.29 - Step 4: Simplify right side
242,756.57x = 45,334,193,011.05 - Step 5: Solve for x
x = 45,334,193,011.05/242,756.57 - Step 6: Final answer
x = 186,747.55
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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.