Finding the Fourth Proportional to 314,709.36, 471,606.12 and 194,509.68
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Solution
The fourth proportional to 314,709.36, 471,606.12 and 194,509.68 is: 291,481.50
Step by Step Solution
- Step 1: Write the proportion equation
314,709.36 : 471,606.12 = 194,509.68 : x - Step 2: Convert to fraction form
314,709.36/471,606.12 = 194,509.68/x - Step 3: Cross multiply
314,709.36x = 471,606.12 × 194,509.68 - Step 4: Simplify right side
314,709.36x = 91,731,955,487.24 - Step 5: Solve for x
x = 91,731,955,487.24/314,709.36 - Step 6: Final answer
x = 291,481.50
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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.