Finding the Fourth Proportional to 335,646.75, 503,471.48 and 135,970.91
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Solution
The fourth proportional to 335,646.75, 503,471.48 and 135,970.91 is: 203,956.90
Step by Step Solution
- Step 1: Write the proportion equation
335,646.75 : 503,471.48 = 135,970.91 : x - Step 2: Convert to fraction form
335,646.75/503,471.48 = 135,970.91/x - Step 3: Cross multiply
335,646.75x = 503,471.48 × 135,970.91 - Step 4: Simplify right side
335,646.75x = 68,457,472,097.43 - Step 5: Solve for x
x = 68,457,472,097.43/335,646.75 - Step 6: Final answer
x = 203,956.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.