Finding the Fourth Proportional to 318,313.14, 477,462.66 and 149,739.96
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Solution
The fourth proportional to 318,313.14, 477,462.66 and 149,739.96 is: 224,606.62
Step by Step Solution
- Step 1: Write the proportion equation
318,313.14 : 477,462.66 = 149,739.96 : x - Step 2: Convert to fraction form
318,313.14/477,462.66 = 149,739.96/x - Step 3: Cross multiply
318,313.14x = 477,462.66 × 149,739.96 - Step 4: Simplify right side
318,313.14x = 71,495,239,609.89 - Step 5: Solve for x
x = 71,495,239,609.89/318,313.14 - Step 6: Final answer
x = 224,606.62
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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.