Finding the Fourth Proportional to 243,327.62, 335,785.28 and 135,894.50
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Solution
The fourth proportional to 243,327.62, 335,785.28 and 135,894.50 is: 187,530.59
Step by Step Solution
- Step 1: Write the proportion equation
243,327.62 : 335,785.28 = 135,894.50 : x - Step 2: Convert to fraction form
243,327.62/335,785.28 = 135,894.50/x - Step 3: Cross multiply
243,327.62x = 335,785.28 × 135,894.50 - Step 4: Simplify right side
243,327.62x = 45,631,372,732.96 - Step 5: Solve for x
x = 45,631,372,732.96/243,327.62 - Step 6: Final answer
x = 187,530.59
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1.5x scale
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.