Finding the Fourth Proportional to 243,097.36, 335,460.24 and 135,658.96
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Solution
The fourth proportional to 243,097.36, 335,460.24 and 135,658.96 is: 187,201.49
Step by Step Solution
- Step 1: Write the proportion equation
243,097.36 : 335,460.24 = 135,658.96 : x - Step 2: Convert to fraction form
243,097.36/335,460.24 = 135,658.96/x - Step 3: Cross multiply
243,097.36x = 335,460.24 × 135,658.96 - Step 4: Simplify right side
243,097.36x = 45,508,187,279.75 - Step 5: Solve for x
x = 45,508,187,279.75/243,097.36 - Step 6: Final answer
x = 187,201.49
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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.