Finding the Fourth Proportional to 243,331.09, 335,763.73 and 135,887.42
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Solution
The fourth proportional to 243,331.09, 335,763.73 and 135,887.42 is: 187,506.12
Step by Step Solution
- Step 1: Write the proportion equation
243,331.09 : 335,763.73 = 135,887.42 : x - Step 2: Convert to fraction form
243,331.09/335,763.73 = 135,887.42/x - Step 3: Cross multiply
243,331.09x = 335,763.73 × 135,887.42 - Step 4: Simplify right side
243,331.09x = 45,626,068,008.55 - Step 5: Solve for x
x = 45,626,068,008.55/243,331.09 - Step 6: Final answer
x = 187,506.12
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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.